BÄCKLUND , L. ., BERGSTRÖM , K. ., ERICSSON , P. ., ERIKSON , U. ., HUITFELDT , B. ., & RENCK , H. . (1974). Choice of Variables for Predicting the Heart Volume. Upsala Journal of Medical Sciences, 79(2), 97–102. https://doi.org/10.3109/03009737409178975