Some factors affecting the fetal heart rate.
L M
LM
HELLMAN
H L
HL
JOHNSON
W E
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TOLLES
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EH
JONES
D005260:Female; D005333:Fetus / Q000502:physiology*; D006321:Heart / Q000502:physiology*; D006340:Heart Rate, Fetal; D006801:Humans; D011247:Pregnancy
FETUS/physiology; HEART/physiology