Interviewing physicians: the effect of improved response rate.
This analysis of data from the Physicians' Practice Survey indicates that estimates made from early responders closely approximate those obtained at the conclusion of a longer field period.
D000328:Adult; D002568:Certification; D003625:Data Collection / Q000379:methods; D005260:Female; D006801:Humans; D007182:Income; D008297:Male; D010820:Physicians; D011331:Private Practice; D014481:United States