Pattern of Coronary Artery Disease Risk Factors in Population Younger than 55 Years and Above 55 Years: A Population Study of 31999 Healthy Individuals - Hatmi, Zinat Nadia; Mahdavi-Mazdeh, Mitra; Hashemi-Nazari, Seyed Saeid; Hashemi-Nazari, Seyed Saeid; Hajighasemi, Ebrahim; Nozari, Behnaz; Mahdavi, Azita (Acta Medica Iranica)