Recruiting blood donors in view of AIDS: what ambulatory care facilities need to understand.
D000163:Acquired Immunodeficiency Syndrome / Q000523:psychology*; D000533:Altruism; D001782:Blood Donors / Q000523:psychology*; D002140:California; D005239:Fear; D006801:Humans; D007407:Interviews as Topic; D009042:Motivation / Q000706:statistics & numerical data*; D010934:Planning Techniques; D012307:Risk Factors; D012495:San Francisco; D013223:Statistics as Topic; D011795:Surveys and Questionnaires