False-negative laparoscopy: a pitfall in the diagnosis of early ectopic pregnancy.
Edozien
L C
LC
Royal Oldham Hospital.
Pandiarajan
T
T
Ali
S W
SW
D000328:Adult; D006063:Chorionic Gonadotropin / Q000097:blood; D005188:False Negative Reactions; D005260:Female; D006801:Humans; D010535:Laparoscopy; D011247:Pregnancy; D011274:Pregnancy, Tubal / Q000097:blood / Q000175:diagnosis*
D006063:Chorionic Gonadotropin