Hypercoagulability in premature infants with special reference to the respiratory distress syndrome and hemorrhage - Markarian, M; Lubchenco, L O; Rosenblat, E; Fernandez, F; Lang, D; Jackson, J J; Bannon, A E; Londley, A; Githens, J H; Martorell, R (Biol Neonate, 1971)