title: Observational studies, statistical tests and bias arising from case-control comparisons.
authors.affiliation: Bourn-Hall Clinic Norwich, Unit 3, The Apex, Gateway 11, Farrier Close, Wymondham, Norwich NR18 0WF, UK linktothanos@gmail.com.
authors.forename: Athanasios
authors.initials: A
authors.lastname: Papathanasiou
mesh_terms: D001723:Birth Rate; D005260:Female; D005307:Fertilization in Vitro / Q000379:methods*; D005640:Follicle Stimulating Hormone / Q000502:physiology*; D007987:Gonadotropin-Releasing Hormone / Q000037:antagonists & inhibitors*; D006801:Humans; D011247:Pregnancy
chemical_list: D007987:Gonadotropin-Releasing Hormone; D005640:Follicle Stimulating Hormone