ZACHAU-CHRISTIANSEN BENGT 517,498 The influence of prenatal and perinatal factors on development during the first year of life.With special reference to the development of signs of cerebral dysfunction. A prospective study of 9006 pregnancies, Transl, from the Danish by Harry Cownn, Helsingor 1972 Poul A,Andersens Porlag, 8° Text Vol. g, 288, Table Vol, s, I64,tabl,2, Af hand ling.