seamless care that revolves around you: more than 4,700 physicians and scientists collaborate across mayo clinic campuses in arizona, florida and minnesota. u.s. news & world report ranks mayo clinic as the #1 hospital overall and #1 in more specialties than any other hospital in the nation.
official website of the national institutes of health (nih). nih is one of the world's foremost medical research centers. an agency of the u.s. department of health and human services, the nih is the federal focal point for health and medical research. the nih website offers health information for the public, scientists, researchers, medical professionals, patients, educators,
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