Academic physicians' participation in organized medicine.
D000328:Adult; D000368:Aged; D003430:Cross-Sectional Studies; D005260:Female; D005431:Florida; D006801:Humans; D008297:Male; D008511:Medicine; D008875:Middle Aged; D012955:Societies, Medical / Q000191:economics / Q000706:statistics & numerical data*; D013038:Specialization; D014481:United States