Ylä-Outinen Ari, Lyrenäs Sven, Lantz Peter, and Langhoff-Roos Jens. 1989. “Myocardial Infarction in Pregnancy: A Case Report and Review of the Literature”. Upsala Journal of Medical Sciences 94 (3):287-90. https://doi.org/10.3109/03009738909178569.