National Institute of Health (NIH) - Clinical Practice GuidelinesThese third-party guidelines, compiled, but not created by, the National Center for Complementary and Integrative Health (NCCIH), focused on diagnosis and management of patients. Topics include Allergy and Immunology, Cardiology, Family Medicine, Gastroenterology, Men's Health, Neurology, Oncology, Orthopaedics, Pain Management, Pediatrics, Psychiatry and Mental Health, Rheumatology, and Women's Health.