SIDDIQI, F.; MEHREEN, S.; AHMED, A.; BASHIR, T.; AHMAD, J.; HASSAN, F.; MAHMOOD, F. EXPOSURES AND RISK FACTORS OF CORONA VIRUS AMONG HEALTH CARE WORKERS AND NEED FOR PREVENTIVE MEASURES IN COMBINED MILITARY HOSPITAL RAWALPINDI. PAFMJ, v. 71, n. 4, p. 1382-86, 27 ago. 2021.