[Contribution to the study of prevention of prenatal morbidity and mortality].
D005260:Female; D005313:Fetal Death / Q000453:epidemiology / Q000517:prevention & control*; D006801:Humans; D007558:Italy; D009017:Morbidity; D011247:Pregnancy; D011248:Pregnancy Complications / Q000517:prevention & control; D011295:Prenatal Care
Contributo allo studio ed alla prevenzione della morbilità e mortalità perinatale.