Sylvén , C. ., Hesser , U. ., Östby , T. ., Broomé , U. ., & Zackrisson , L. . (1987). Relations between Clinical Signs of Right and Left Cardiac Decompensation and Radiological Signs Thereof. Upsala Journal of Medical Sciences, 92(3), 287–292. https://doi.org/10.3109/03009738709178699