Letter: Perinatal mortality.
D005260:Female; D005313:Fetal Death / Q000453:epidemiology*; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D007558:Italy; D007743:Labor, Obstetric; D009774:Obstetrics; D011247:Pregnancy; D011295:Prenatal Care / Q000592:standards; D006113:United Kingdom