R. De Abreu

Effects of oral and intramuscular vitamin K prophylaxis on vitamin K1, PIVKA-II, and clotting factors in breast fed infants.

R. D. De Abreu, L. Monnens, B. Verbruggen, 1992, Archives of disease in childhood.

Increased incidence of neonatal vitamin K deficiency resulting from maternal anticonvulsant therapy.

R. D. De Abreu, R. Steegers-Theunissen, R. Steegers-Theunissen, 1993, American journal of obstetrics and gynecology.