Physician attitudes on clinical trials.
D000328:Adult; D001291:Attitude of Health Personnel; D002986:Clinical Trials as Topic; D005194:Family Practice; D005260:Female; D019538:Health Care Surveys; D006801:Humans; D008297:Male; D008511:Medicine; D008875:Middle Aged; D010817:Physician-Patient Relations; D012955:Societies, Medical; D013038:Specialization; D016387:Women's Health