title: False confidences in preoperative pregnancy testing.
authors.forename: Sarah G
authors.initials: SG
authors.lastname: Bodin
authors.forename: Angela F
authors.initials: AF
authors.lastname: Edwards
authors.forename: Raymond C
authors.initials: RC
authors.lastname: Roy
mesh_terms: D000293:Adolescent; D000328:Adult; D000758:Anesthesia; D002648:Child; D006063:Chorionic Gonadotropin / Q000652:urine; D019411:Clinical Laboratory Techniques; D005189:False Positive Reactions; D005260:Female; D006801:Humans; D008598:Menstruation / Q000502:physiology; D008875:Middle Aged; D011247:Pregnancy; D011258:Pregnancy Tests / Q000592:standards*; D011300:Preoperative Care; D057234:Preoperative Period; D055815:Young Adult
chemical_list: D006063:Chorionic Gonadotropin