title: Noninvasive methods to obtain sperm.
authors.forename: A M
authors.initials: AM
authors.lastname: Belker
mesh_terms: D001707:Biopsy, Needle / Q000379:methods; D004542:Ejaculation; D004558:Electric Stimulation / Q000295:instrumentation / Q000379:methods; D005307:Fertilization in Vitro; D006801:Humans; D008297:Male; D010413:Penis; D012099:Reproductive Techniques / Q000295:instrumentation; D013094:Spermatozoa; D013737:Testis