title: Pregnancy with sperm aspiration from the proximal head of the epididymis: a new treatment for congenital absence of the vas deferens.
authors.affiliation: St. Luke's Hospital, St. Louis, Missouri 63017.
authors.forename: S J
authors.initials: SJ
authors.lastname: Silber
authors.forename: J
authors.initials: J
authors.lastname: Balmaceda
authors.forename: C
authors.initials: C
authors.lastname: Borrero
authors.forename: T
authors.initials: T
authors.lastname: Ord
authors.forename: R
authors.initials: R
authors.lastname: Asch
mesh_terms: D000328:Adult; D004624:Embryo Transfer; D004822:Epididymis / Q000473:pathology / Q000601:surgery*; D005187:Fallopian Tubes; D005260:Female; D005307:Fertilization in Vitro; D006801:Humans; D008297:Male; D009845:Oligospermia / Q000209:etiology / Q000628:therapy*; D011247:Pregnancy; D013094:Spermatozoa / Q000502:physiology; D013396:Suction; D014649:Vas Deferens / Q000002:abnormalities*