title: Ultrasonographic transvaginal ovum retrieval. A new approach to in vitro fertilization.
mesh_terms: D004624:Embryo Transfer; D005260:Female; D005307:Fertilization in Vitro / Q000295:instrumentation / Q000379:methods*; D006801:Humans; D008297:Male; D011182:Postoperative Care; D011300:Preoperative Care; D014463:Ultrasonography