Key points are not available for this paper at this time.
(1939). A Method for the Determination of the Heart Size by Teleroentgenography (A Heart Volume index) Acta Radiologica: Vol. 20, No. 4, pp. 325-340.
S Jonsell (Sat,) studied this question.
Synapse has enriched 2 closely related papers on similar clinical questions. Consider them for comparative context: