title: Two births after microsurgical sperm aspiration in congenital absence of vas deferens.
mesh_terms: D004624:Embryo Transfer; D004822:Epididymis / Q000601:surgery; D005260:Female; D005307:Fertilization in Vitro; D006801:Humans; D007231:Infant, Newborn; D007248:Infertility, Male / Q000601:surgery*; D008297:Male; D008866:Microsurgery; D013396:Suction / Q000379:methods*; D014649:Vas Deferens / Q000002:abnormalities*