title: Epidemiology of ectopic pregnancy.
authors.affiliation: Georgia Center for Cancer Statistics, Department of Community Health, Emory University School of Medicine, Atlanta 30030.
authors.forename: W H
authors.initials: WH
authors.lastname: Chow
authors.forename: J R
authors.initials: JR
authors.lastname: Daling
authors.forename: W
authors.initials: W
authors.lastname: Cates
authors.forename: R S
authors.initials: RS
authors.lastname: Greenberg
mesh_terms: D005260:Female; D006801:Humans; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000453:epidemiology* / Q000209:etiology; D014481:United States