The term, coronary heart disease (CHD), is used to describe the effect of impaired or absent blood supply to the heart muscle. It is a major health problem all over the world. According to the World Health Organization, ...

Purpose. The proposed project aimed to examine the factors predisposing to lost to follow-up and explore the reasons for drop out at the Yerevan Nork Marash Medical Center (NMMC). Background information. A follow-up program ...