title: Preoperative pregnancy testing: "justice and testing for all".
authors.forename: R S
authors.initials: RS
authors.lastname: Twersky
authors.forename: G
authors.initials: G
authors.lastname: Singleton
mesh_terms: D000293:Adolescent; D000328:Adult; D000556:Ambulatory Surgical Procedures; D000777:Anesthetics / Q000009:adverse effects; D006063:Chorionic Gonadotropin / Q000097:blood; D017558:Elective Surgical Procedures; D005260:Female; D005333:Fetus / Q000187:drug effects; D006801:Humans; D008598:Menstruation; D011247:Pregnancy; D011258:Pregnancy Tests; D011300:Preoperative Care; D011446:Prospective Studies
chemical_list: D000777:Anesthetics; D006063:Chorionic Gonadotropin