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