Harris survey highlights public's ambivalence about clinical trials.
D000293:Adolescent; D000328:Adult; D001741:Black or African American / Q000523:psychology; D001294:Attitude to Health; D002986:Clinical Trials as Topic / Q000009:adverse effects; D003625:Data Collection; D006266:Health Education; D006630:Hispanic or Latino / Q000523:psychology; D006801:Humans; D018579:Patient Selection; D011639:Public Opinion; D014481:United States