title: A study of fetal heart rate deceleration areas. I. Preliminary exploration.
mesh_terms: D001034:Apgar Score; D003201:Computers; D005260:Female; D005318:Fetal Heart / Q000502:physiology*; D006339:Heart Rate; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007743:Labor, Obstetric; D009119:Muscle Contraction; D011247:Pregnancy; D013997:Time Factors; D014469:Umbilical Arteries / Q000502:physiology; D014599:Uterus / Q000502:physiology*