Managing the quality and conduct of epidemiologic studies.
Collins
J J
JJ
Monsanto Company, St. Louis, MO 63167.
Buncher
C R
CR
Halperin
W
W
D003625:Data Collection / Q000592:standards; D004812:Epidemiologic Methods; D004813:Epidemiology; D011786:Quality Control; D012107:Research Design / Q000592:standards