Siscovick DS, Weiss NS, Fletcher RH, Schoenbach VJ, Wagner EH. Habitual vigorous exercise and primary cardiac arrest: effect of other risk factors on the relationship. J Chronic Dis. 1984;37(8):625-31.
Siscovick DS, Weiss NS, Fletcher RH, Schoenbach VJ, Wagner EH. Habitual vigorous exercise and primary cardiac arrest: effect of other risk factors on the relationship. J Chronic Dis. 1984;37(8):625-31.