[Evaluation of the efficiency of oral administration of vitamin K1 in neonates at risk for hemorrhagic disease].
D000284:Administration, Oral; D006470:Hemorrhage / Q000517:prevention & control*; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature / Q000097:blood*; D011517:Prothrombin Time; D012306:Risk; D010837:Vitamin K 1 / Q000008:administration & dosage*
D010837:Vitamin K 1
Valutazione dell'efficacia della somministrazione della vitamina K1 per os in neonati a rischio per la malattia emorragica.