within four middle-aged population groups enrolled in the rome project of coronary heart disease prevention , a theoretic estimation of coronary heart disease ( chd ) incidence in 5 years has been made on the basis of some risk factors ( age , systolic blood pressure , serum cholesterol , smoking habit , physical activity at work , body mass index ) , employing four different solutions of the multiple longistic function ( mlf ) derived from previous population studies and a simple risk score adopted by the who european collaborative group to which this study belongs .
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heart
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of