![Intraventricular haemorrhage in very-low-birthweight preterm infants: Association with low prothrombin activity at birth]()
Intraventricular haemorrhage in very-low-birthweight preterm infants: Association with low prothrombin activity at birthSalonvaara, Marjut; Riikonen, Pekka; Kekomäki, Riitta; Vahtera, Elina; Mahlamäki, Eija; Kiekara, Olan; Heinonen, Kirsti · Acta Paediatrica · 2005