Clinical studies on the uterine contraction in labor. I. Uterine contractility through simultaneous multi-channel recordings by internal and external methods.
D005260:Female; D006801:Humans; D007743:Labor, Obstetric; D008722:Methods; D009119:Muscle Contraction; D011247:Pregnancy; D013997:Time Factors; D014599:Uterus / Q000502:physiology*