title: The in vitro fertilization program in a developing country--Venezuela.
mesh_terms: D003906:Developing Countries; D004624:Embryo Transfer; D005260:Female; D005307:Fertilization in Vitro; D006801:Humans; D008297:Male; D009865:Oocytes / Q000166:cytology; D014463:Ultrasonography; D014687:Venezuela