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