UpToDate is an evidence based, peer reviewed information resource, available via the Web and Mobile Devices. Our community includes over 4,400 leading physicians, peer reviewers, editors and over 385,000 users. UpToDate includes access to over 8,300 topics in 14 specialties

The National Library of Medicine (NLM), on the campus of NIH in Bethesda, Maryland, is the world's largest medical library. It collects materials in all major areas of the health sciences and to a lesser degree in such areas as chemistry, physics, botany and zoology. The collections stand at 5 million items--books, journals, technical reports, manuscripts, microfilms, photographs and images. Housed within the Library is one of the world's finest medical history collections of old (pre-1914) and rare medical texts, manuscripts, and incunabula.

The leading source for trustworthy and timely health and medical news and information. Providing credible health information, supportive community, and educational services by blending award-winning expertise in content, community services, expert commentary, and medical review.

The American Society for Gastrointestinal Endoscopy (ASGE) is a professional organization dedicated to advancing patient care and digestive health by promoting excellence in endoscopy.

California Pacific is one of the largest private, not-for-profit, academic medical centers in California and is a Sutter Health affiliate.

SAGES represents a worldwide community of surgeons that can bring minimal access surgery, including laparoscopy, endoscopy, and emerging techniques to patients in every country. We represent over 5,000 surgeons and allied health professionals.