Uterine contractility.  II.  A test for estrogen activity.
D003271:Contraceptive Agents, Female; D004967:Estrogens / Q000032:analysis*; D005260:Female; D006801:Humans; D009119:Muscle Contraction; D014599:Uterus / Q000502:physiology*
D003271:Contraceptive Agents, Female; D004967:Estrogens
ESTROGENS/determination; UTERUS/physiology