[Diagnosis and treatment of early ectopic pregnancy].
Lian
L
L
D006063:Chorionic Gonadotropin / Q000097:blood; D005260:Female; D006801:Humans; D008727:Methotrexate / Q000627:therapeutic use; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000175:diagnosis / Q000628:therapy
D006063:Chorionic Gonadotropin; D008727:Methotrexate