Primary care groups as community laboratories.
Bainton
D
D
West
R
R
D015331:Cohort Studies; D006304:Health Status; D006801:Humans; D011159:Population Surveillance / Q000379:methods*; D011320:Primary Health Care / Q000458:organization & administration*; D013222:State Medicine; D006113:United Kingdom / Q000453:epidemiology