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.

Global news, clinical reviews and expert reports on the latest research and clinical findings in urology and nephrology.

The latest developments in cardiology and cardiovascular research, including breaking heartwire news and commentary by some of the world's most prominent cardiologists.

Information and connecting with others about kidney issues, such as kidney failure and dialysis. Find a nephrologist, watch videos, and more.

The Agency for Healthcare Research and Quality (AHRQ) is the lead Federal agency charged with improving the quality, safety, efficiency, and effectiveness of health care for all Americans.

The National Kidney Foundation, Inc., a major voluntary health organization, seeks to prevent kidney and urinary tract diseases, improve the health and well-being of individuals and families affected by these diseases, and increase the availability of all organs for transplantation.