title: A Janus glance.
authors: Jacques
authors: J
authors: Cohen
authors: Gedis
authors: G
authors: Grudzinskas
authors: Martin
authors: M
authors: Johnson
mesh_terms: D035081:Editorial Policies; D006801:Humans; D011642:Publications / Q000639:trends*; D018456:Reproductive Medicine / Q000639:trends*; D012955:Societies, Medical