title: Unstimulated versus stimulated cycles?
authors.forename: B R
authors.initials: BR
authors.lastname: Hecht
mesh_terms: D005069:Evaluation Studies as Topic; D005260:Female; D005307:Fertilization in Vitro / Q000379:methods*; D006801:Humans; D009865:Oocytes; D013048:Specimen Handling; D013268:Stimulation, Chemical