Dr. George W. Comstock--a primary care practitioner of public health.
Helzlsouer
Kathy J
KJ
Prevention and Research Center, Mercy Medical Center, Baltimore, MD 21202, USA. KHelzlsouer@mdmercy.com
D004813:Epidemiology / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D011320:Primary Health Care; D011634:Public Health