| American Board of Internal Medicine - http://www.abim.org/ recognized certification board in the specialty of internal medicine and one of the 24 certifying boards of the ABMS. |
| American College of Chest Physicians (ACCP) - http://www.chestnet.org/ working to improve cardiopulmonary health and critical care worldwide. |
| American College of Physicians (ACP) - http://www.acponline.org/ selections from ACP journals; CME, medical computing, managed care information; classifieds; Web site reviews; product catalog; more. |
| California Primary Care Association - http://www.cpca.org/ |
| Society of General Internal Medicine - http://www.sgim.org/ to promote improved patient care, research, and education in primary care. |