title: The second tier of validation--open discussion and sifting through the evidence.
authors: Paul G
authors: PG
authors: McDonough
mesh_terms: D005260:Female; D005300:Fertility Agents, Female / Q000627:therapeutic use*; D005307:Fertilization in Vitro; D043373:Follicle Stimulating Hormone, Human / Q000627:therapeutic use*; D006801:Humans; D008596:Menotropins / Q000627:therapeutic use*; D020554:Sperm Injections, Intracytoplasmic
chemical_list: D005300:Fertility Agents, Female; D043373:Follicle Stimulating Hormone, Human; D008596:Menotropins