[Institutional perinatal mortality in twin pregnancy].
D005260:Female; D005313:Fetal Death; D006801:Humans; D007226:Infant Mortality; D007230:Infant, Low Birth Weight; D007231:Infant, Newborn; D008423:Maternal Age; D009725:Nurseries, Hospital; D010298:Parity; D011247:Pregnancy; D014427:Twins; D014687:Venezuela
Mortalidad perinatal institucional del embarazo gemelar.