Baqai, Shehla, et al. “AWARENESS, KNOWLEDGE, ATTITUDE OF PATIENTS TOWARDS PREVENTIVE MEASURES, AGAINST COVID-19 IN RESOURCE POOR DEVELOPING COUNTRY. A CROSS SECTIONAL SURVEY”. Pakistan Armed Forces Medical Journal, vol. 70, no. 2, Sept. 2020, pp. S479-83, https://pafmj.org/PAFMJ/article/view/5232.