Reflections from the population: survey methods.
McMahon
Laurence F
LF
Fagerlin
Angela
A
D019538:Health Care Surveys / Q000379:methods*; D016481:Helicobacter Infections / Q000628:therapy*; D006801:Humans; D018579:Patient Selection; D010820:Physicians / Q000706:statistics & numerical data; D012106:Research / Q000458:organization & administration; D012107:Research Design