[Pregnancy and multiple childbirth; clinico-statistical study].
D005260:Female; D006801:Humans; D007743:Labor, Obstetric; D009099:Multiple Birth Offspring; D011247:Pregnancy; D011272:Pregnancy, Multiple; D014427:Twins
LABOR; PREGNANCY, MULTIPLE; TWINS
La gravidanza ed il parto multiplo; studio clinico-statistico.