Ultrasonography and missed ectopic pregnancies.
Jang
Timothy
T
Sineff
Sanford
S
Aubin
Chandra
C
Naunheim
Rosanne
R
D003951:Diagnostic Errors; D004635:Emergency Medicine / Q000193:education*; D005260:Female; D006801:Humans; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000000981:diagnostic imaging*; D016216:Ultrasonography, Prenatal / Q000592:standards