General internal medicine and geriatrics: collaboration to address the aging imperative can't wait.
Hazzard
William R
WR
D000368:Aged; D005853:Geriatrics / Q000193:education*; D006299:Health Services for the Aged; D006801:Humans; D007388:Internal Medicine / Q000193:education*; D007396:Internship and Residency; D014481:United States