title: Empty follicle syndrome: an entity in the etiology of infertility of unknown origin, or a phenomenon associated with purified follicle-stimulating hormone therapy?
mesh_terms: D000328:Adult; D005260:Female; D005307:Fertilization in Vitro; D005640:Follicle Stimulating Hormone / Q000627:therapeutic use*; D006801:Humans; D007247:Infertility, Female / Q000188:drug therapy / Q000209:etiology*; D009865:Oocytes / Q000254:growth & development; D006080:Ovarian Follicle; D010062:Ovulation Induction / Q000379:methods
chemical_list: D005640:Follicle Stimulating Hormone