title: Emergency contraception.
authors.affiliation: Department of Nursing, College of Health and Human Services, Southeast Missouri State University, Cape Girardeau, USA.
authors.forename: B J
authors.initials: BJ
authors.lastname: Morris
authors.forename: C
authors.initials: C
authors.lastname: Young
mesh_terms: D003075:Coitus; D003267:Contraception / Q000266:history; D003277:Contraceptives, Oral, Combined; D004630:Emergencies; D045166:Estradiol Congeners; D004997:Ethinyl Estradiol; D005260:Female; D049673:History, 20th Century; D006801:Humans; D016912:Levonorgestrel; D014481:United States
chemical_list: D003277:Contraceptives, Oral, Combined; D045166:Estradiol Congeners; D004997:Ethinyl Estradiol; D016912:Levonorgestrel