Åberg, H.(1978). Studies on Toxaemia of Pregnancy with Special Reference to Blood Pressure : I. Incidence and Some Characteristic Features of the Mothers and Infants: I. Incidence and Some Characteristic Features of the Mothers and Infants. Upsala Journal of Medical Sciences, 83(1), 29-34. doi:10.3109/03009737809179108

Åberg, H. "Studies On Toxaemia of Pregnancy With Special Reference to Blood Pressure : I. Incidence and Some Characteristic Features of the Mothers and Infants: I. Incidence and Some Characteristic Features of the Mothers and Infants". Upsala Journal of Medical Sciences, 83.1 ( 1978 ): 29-34.