Colorectal cancer screening by primary care physicians in Iowa.
Thompson
Nancy Jean
NJ
College of Public Health, University of Iowa, USA.
D000368:Aged; D003113:Colonoscopy; D015179:Colorectal Neoplasms / Q000175:diagnosis* / Q000453:epidemiology; D005260:Female; D019538:Health Care Surveys; D006801:Humans; D007484:Iowa / Q000453:epidemiology; D008297:Male; D008875:Middle Aged; D010821:Physicians, Family / Q000706:statistics & numerical data*; D012812:Sigmoidoscopy; D013997:Time Factors