The attitudes of semen donors.
D000293:Adolescent; D000328:Adult; D001290:Attitude; D003219:Confidentiality; D006801:Humans; D007315:Insemination, Artificial / Q000523:psychology*; D007316:Insemination, Artificial, Heterologous / Q000523:psychology*; D008297:Male; D009042:Motivation; D011795:Surveys and Questionnaires