1. 1. World Health Organization. Official records of the World Health Organization. United Nations, World Health Organization Interim Commission 1975:227-228.
2. 2. Chadha SL, Radhakrishna S, Ramachandran K, et al. Epidemiological study of CHD in an urban population. Indian Journal of Medical Research 1990;92:424-30.
3. 3. Jajoo U, Kalantri SP, Gupta OP, et al. The prevalence of coronary heart disease in rural population from central India. JAPI 1988;36(12):689-690.
4. Overt behaviour pattern in coronary disease: detection of overt behaviour pattern a in patients with coronary disease by a new psychophysiological procedure;Friedman;JAMA,1960
5. Prevalence and natural history of electrocardiographic left ventricular hypertrophy;Kannel;The American Journal of Medicine,1983