Elevation of uterine basal tone and fetal heart rate abnormalities after labor analgesia: a randomized controlled trial.
Landau
Ruth
R
Carvalho
Brendan
B
Wong
Cynthia
C
Smiley
Richard
R
Tsen
Lawrence
L
Van de Velde
Marc
M
D016362:Analgesia, Obstetrical / Q000009:adverse effects; D005260:Female; D006340:Heart Rate, Fetal / Q000187:drug effects*; D006801:Humans; D011247:Pregnancy; D016032:Randomized Controlled Trials as Topic; D014590:Uterine Contraction / Q000187:drug effects*