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  1. Lab Test Results: Units of Measurement
  2. Lab Tests for Fibromyalgia
  3. Labetalol - Alternative Medicine
  4. Labor and Delivery
  5. Labor Induction and Augmentation
  6. Labor Trial After a Previous Cesarean Delivery, Deciding About
  7. Labyrinthitis
  8. Lacosamide - Alternative Medicine
  9. Lactase - Alternative Medicine
  10. Lactase - Alternative Medicine
  11. Lactic Acid Dehydrogenase (LDH) Test - Medical Test
  12. Lactic Acid Test - Medical Test
  13. Lactobacillus - Alternative Medicine
  14. Lactobacillus casei - Alternative Medicine
  15. Lactose Intolerance
  16. Lactose Intolerance (Holistic) - Alternative Medicine
  17. Laetrile/Amygdalin (PDQ®): Integrative, alternative, and complementary therapies - Health Professional Information [NCI]
  18. Laetrile/Amygdalin (PDQ®): Integrative, alternative, and complementary therapies - Patient Information [NCI]
  19. Laminaria digitata - Alternative Medicine
  20. Lamivudine - Alternative Medicine
  21. Lamivudine-Tenofovir Disop Fum - Alternative Medicine
  22. Lamivudine-Zidovudine - Alternative Medicine
  23. Lamotrigine - Alternative Medicine
  24. Langerhans Cell Histiocytosis Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  25. Langerhans Cell Histiocytosis Treatment (PDQ®): Treatment - Patient Information [NCI]
  26. Language Development Between 12 and 24 Months of Age
  27. Language Development From Age 6 to 10 Years
  28. Language Development in Newborns
  29. Lansoprazole - Alternative Medicine
  30. Laparoscopic Gallbladder Removal Surgery for Gallstones
  31. Laparoscopic Gastric Banding (video)
  32. Laparoscopic Gastric Banding: Returning Home (video)
  33. Laparoscopic Inguinal Hernia Repair
  34. Laparoscopic Ovarian Drilling (Ovarian Diathermy) for PCOS
  35. Laparoscopic Surgery
  36. Laparoscopic Surgery for Endometriosis
  37. Laparoscopy (video)
  38. Laparoscopy - Medical Test
  39. Laparoscopy in Children (video)
  40. Lapatinib - Alternative Medicine
  41. Larrea tridentata - Alternative Medicine
  42. Laryngeal Cancer Treatment (Adult) (PDQ®): Treatment - Health Professional Information [NCI]
  43. Laryngeal Cancer Treatment (Adult) (PDQ®): Treatment - Patient Information [NCI]
  44. Laryngitis
  45. Laryngoscopy - Medical Test
  46. Laser In-Situ Keratomileusis (LASIK) for Farsightedness
  47. Laser Iridotomy for Glaucoma
  48. Laser Photocoagulation and Cryopexy for Retinal Tears
  49. Laser Photocoagulation for Age-Related Macular Degeneration
  50. Laser Photocoagulation for Diabetic Retinopathy
  51. Laser Resurfacing
  52. Laser Surgery for Genital Warts
  53. Laser Surgery for Skin Cancer
  54. Laser Surgery for Warts
  55. Laser Trabeculoplasty for Glaucoma
  56. Laser Treatment for Varicose Veins
  57. LASIK (Laser In-Situ Keratomileusis) for Nearsightedness
  58. Last Days of Life (PDQ®): Supportive care - Health Professional Information [NCI]
  59. Last Days of Life (PDQ®): Supportive care - Patient Information [NCI]
  60. Late Effects of Treatment for Childhood Cancer (PDQ®): Treatment - Health Professional Information [NCI]
  61. Late Effects of Treatment for Childhood Cancer (PDQ®): Treatment - Patient Information [NCI]
  62. Lateral Collateral Ligament (LCL) Injury
  63. Lavandula officinalis - Alternative Medicine
  64. Lavender - Alternative Medicine
  65. Lavender Oil - Alternative Medicine
  66. Laxatives
  1. Lead (Pb) Test - Medical Test
  2. Lead Poisoning
  3. Lead Poisoning Screening
  4. Leadless Pacemaker
  5. Learning About Blood Tests for Children (video)
  6. Learning About Circumcision (video)
  7. Learning About Risk for Heart Attack and Stroke (video)
  8. Learning About the NICU (video)
  9. Learning About Your Blood Test (video)
  10. Learning About Your Child's Bronchoscopy (video)
  11. Learning About Your Child's CT Scan (video)
  12. Learning About Your Child's Laryngoscopy (video)
  13. Learning About Your Child's MRI Test (video)
  14. Learning About Your Child's Voiding Cystourethrogram (VCUG) Test (video)
  15. Learning About Your Child's X-Ray Test (video)
  16. Learning About Your CT Scan (video)
  17. Learning About Your MRI Test (video)
  18. Learning About Your X-Ray Test (video)
  19. Learning Disabilities
  20. Learning to Say No
  21. Lecithin/Phosphatidyl Choline - Alternative Medicine
  22. Left Ventricular Hypertrophy (LVH)
  23. Leg Amputation
  24. Leg Aneurysm
  25. Leg Cramps During Pregnancy
  26. Leg Injuries
  27. Leg Problems, Noninjury
  28. Leg Ulcer - Alternative Medicine
  29. Legionnaires' Disease and Pontiac Fever
  30. Lemon Balm - Alternative Medicine
  31. Lenalidomide - Alternative Medicine
  32. Lennox-Gastaut Syndrome
  33. Lentinus edodes - Alternative Medicine
  34. Lenvatinib - Alternative Medicine
  35. Leonurus cardiaca - Alternative Medicine
  36. Lepidium meyenii - Alternative Medicine
  37. Lepidium peruvianum - Alternative Medicine
  38. Leriche's Syndrome
  39. Letrozole - Alternative Medicine
  40. Letting It Go: Getting Past Negative Emotions
  41. Leucine - Alternative Medicine
  42. Leucine - Alternative Medicine
  43. Leucovorin - Alternative Medicine
  44. Leukemia
  45. Leukoplakia (Holistic) - Alternative Medicine
  46. Leuprolide - Alternative Medicine
  47. Leuprolide (1month)-Norethind - Alternative Medicine
  48. Leuprolide (3 Month) - Alternative Medicine
  49. Leuprolide (3month)-Norethind - Alternative Medicine
  50. Leuprolide (4 Month) - Alternative Medicine
  51. Leuprolide (6 Month) - Alternative Medicine
  52. Leuprolide (Pediatric 3 Month) - Alternative Medicine
  53. Levalbuterol - Alternative Medicine
  54. Levalbuterol Tartrate - Alternative Medicine
  55. Levels of Evidence for Adult and Pediatric Cancer Treatment Studies (PDQ®): Treatment - Health Professional Information [NCI]
  56. Levels of Evidence for Cancer Genetics Studies (PDQ®): Genetics - Health Professional Information [NCI]
  57. Levels of Evidence for Cancer Screening and Prevention Studies (PDQ®): Screening - Health Professional Information [NCI]
  58. Levels of Evidence for Human Studies of Integrative, Alternative, and Complementary Therapies (PDQ®): Integrative, alternative, and complementary therapies - Health Professional Information [NCI]
  59. Levels of Evidence for Supportive and Palliative Care Studies (PDQ®): Supportive care - Health Professional Information [NCI]
  60. Levetiracetam - Alternative Medicine
  61. Levobunolol - Alternative Medicine
  62. Levofloxacin - Alternative Medicine
  63. Levofloxacin in D5W - Alternative Medicine
  64. Levoleucovorin Calcium - Alternative Medicine
  65. Levonorgest-Eth.Estradiol-Iron - Alternative Medicine
  66. Levonorgestrel - Alternative Medicine
  67. Levonorgestrel-Ethinyl Estradiol - Alternative Medicine
  68. Levonorg-Eth Estrad Triphasic - Alternative Medicine
  69. Levorphanol Tartrate - Alternative Medicine
  70. Levothyroxine
  71. Levothyroxine - Alternative Medicine
  1. Licorice - Alternative Medicine
  2. Licorice Root - Alternative Medicine
  3. Lidocaine-Hydrocortis Ac-Clns6 - Alternative Medicine
  4. Lidocaine-Hydrocortisone Ac - Alternative Medicine
  5. Lidocaine-Hydrocortisone-Aloe - Alternative Medicine
  6. Light Sensitivity - Alternative Medicine
  7. Light Sensitivity - Alternative Medicine
  8. Light Therapy
  9. Light to Heavy Vaginal Bleeding
  10. Lignan - Alternative Medicine
  11. Ligustrum - Alternative Medicine
  12. Ligustrum lucidum - Alternative Medicine
  13. Limb-Reduction Defects - Alternative Medicine
  14. Linagliptin-Metformin - Alternative Medicine
  15. Lindane - Alternative Medicine
  16. Linda's Story: Getting Active When You Have Prediabetes
  17. Linda's Story: Quitting Smoking Lowers My Risk
  18. Linden - Alternative Medicine
  19. Linezolid - Alternative Medicine
  20. Linoleic Acid (Conjugated) - Alternative Medicine
  21. Linoleic Acid (Conjugated) - Alternative Medicine
  22. Linoleic Acid (Conjugated) - Alternative Medicine
  23. Linseed Oil - Alternative Medicine
  24. Linum usitatissimum - Alternative Medicine
  25. Liothyronine - Alternative Medicine
  26. Liotrix - Alternative Medicine
  27. Lip and Oral Cavity Cancer Treatment (Adult) (PDQ®): Treatment - Health Professional Information [NCI]
  28. Lip and Oral Cavity Cancer Treatment (Adult) (PDQ®): Treatment - Patient Information [NCI]
  29. Lipase - Alternative Medicine
  30. Lipase Blood Test - Medical Test
  31. Lipase-Lactase-Amylase - Alternative Medicine
  32. Lipid Panel
  33. Lipoic Acid - Alternative Medicine
  34. Lipoma
  35. Liposuction
  36. Lisinopril - Alternative Medicine
  37. Lisinopril-Hydrochlorothiazide - Alternative Medicine
  38. Listening to Your Kids
  39. Listeriosis
  40. Lithium - Alternative Medicine
  41. Lithium Citrate - Alternative Medicine
  42. Lithotripsy (ESWL) for Kidney Stones, Deciding About
  43. Little Leaguer's Elbow (Medial Apophysitis)
  44. Live Influenza Vaccine Intranasal - Alternative Medicine
  45. Live Zoster (Shingles) Vaccine: What You Need to Know
  46. Liver - Alternative Medicine
  47. Liver and Spleen Scan - Medical Test
  48. Liver Cirrhosis (Holistic) - Alternative Medicine
  49. Liver Extracts - Alternative Medicine
  50. Liver Function Panel
  51. Liver Function Tests - Medical Test
  52. Liver (Hepatocellular) Cancer Prevention (PDQ®): Prevention - Health Professional Information [NCI]
  53. Liver (Hepatocellular) Cancer Prevention (PDQ®): Prevention - Patient Information [NCI]
  54. Liver (Hepatocellular) Cancer Screening (PDQ®): Screening - Health Professional Information [NCI]
  55. Liver (Hepatocellular) Cancer Screening (PDQ®): Screening - Patient Information [NCI]
  56. Liver Resection
  57. Living Organ Donation
  58. Living Will
  59. Living With an Ostomy
  60. Living With Chronic Pain (video)
  61. Living With More Than One Health Problem
  1. Lobelia - Alternative Medicine
  2. Lobelia inflata - Alternative Medicine
  3. Local Anesthesia
  4. Local Anesthesia for Childbirth
  5. Localized Prostate Cancer, Should I Have radiation Therapy or a Prostatectomy?
  6. Log Roll Method for Safe Movement
  7. Lomatium - Alternative Medicine
  8. Lomatium dissectum - Alternative Medicine
  9. Lomotil®/Lonox® - Alternative Medicine
  10. Lomustine - Alternative Medicine
  11. Long-Acting Bronchodilators for Your Child (video)
  12. Long-Acting Injectable Antipsychotic Medicines
  13. Long-Term Care Choices
  14. Long-Term Care for Alzheimer's or Other Dementia, Deciding About
  15. Long-Term Care for Stroke, Deciding About
  16. Long-Term Effects of COVID-19
  17. Loop Electrosurgical Excision Procedure (LEEP) for Abnormal Cervical Cell Changes
  18. Loop Electrosurgical Excision Procedure (LEEP) for Genital Warts
  19. Loose Stools - Alternative Medicine
  20. Loose Stools - Alternative Medicine
  21. Lopinavir-Ritonavir - Alternative Medicine
  22. Loralie's Story: It's Never Too Late
  23. Loratadine-Pseudoephedrine - Alternative Medicine
  24. Lorazepam - Alternative Medicine
  25. Lorna's Story: There's No Fast Cure
  26. Losartan - Alternative Medicine
  27. Losartan-Hydrochlorothiazide - Alternative Medicine
  28. Losing Weight: Deciding About a Diet Plan
  29. Lotrel - Alternative Medicine
  30. Lovastatin - Alternative Medicine
  31. Low Amniotic Fluid
  32. Low Back Pain
  33. Low Back Pain: Easing Back Into Your Daily Activities
  34. Low Back Pain: Exercises to Reduce Pain
  35. Low Back Pain (Holistic) - Alternative Medicine
  36. Low Back Pain: Keep Moving (video)
  37. Low Back Pain: Keeping It From Coming Back (video)
  38. Low Back Pain: Should I Have an MRI?
  39. Low Back Pain: Should I Have Spinal Manipulation?
  40. Low Back Pain: Should I Try Epidural Steroid Shots?
  41. Low Blood Pressure (Hypotension)
  42. Low Blood Sugar - Alternative Medicine
  43. Low Blood Sugar Level Record
  44. Low Bone Density
  45. Low HDL Cholesterol - Alternative Medicine
  46. Low Hematocrit - Alternative Medicine
  47. Low Hemoglobin - Alternative Medicine
  48. Low Red Blood Cell Count - Alternative Medicine
  49. Low Testosterone
  50. Low Thyroid Function - Alternative Medicine
  51. Low-Dose Aspirin to Prevent a Heart Attack (video)
  52. Lower Back Pain (Homeopathy) - Alternative Medicine
  53. Lowering Your Health Care Costs
  54. Low-Lying Placenta
  55. Low-Potassium Foods
  56. Low-Salt Diets: Eating Out
  57. Low-Vision Accommodations in Your Home