title: [In andrology: double-blind studies unjustifiable].
mesh_terms: D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D004992:Ethics, Medical; D005260:Female; D006801:Humans; D007248:Infertility, Male / Q000188:drug therapy*; D008297:Male; D010919:Placebos; D011247:Pregnancy; D012107:Research Design; D013997:Time Factors
chemical_list: D010919:Placebos
vernacular_title: In der Andrologie: Doppelblindversuch unvertretbar.