title: Pregnancy caused by sperm from vasa efferentia.
authors.affiliation: St. Luke's Hospital, St. Louis, Missouri.
authors.forename: S J
authors.initials: SJ
authors.lastname: Silber
mesh_terms: D004822:Epididymis / Q000502:physiology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011247:Pregnancy; D013079:Sperm Maturation; D013081:Sperm Motility; D013094:Spermatozoa / Q000502:physiology*; D013243:Sterilization Reversal; D014659:Vasectomy