References

Academic Sources

Paul, O., Lepper, M. H., Phelan, W. H., Dupertius, G. W., MacMillian, A., McKean, H., & Park, H. (1963). A Longitudinal Study of Coronary Heart Disease. Circulation, 28(1), 20–31. 10.1161/01.cir.28.1.2

Coding Resources: