Saqib Malik; Rehman, N.; Farhat Naz; Sadia Rehman; Zainab Syed; Huma Mushtaq; Abdul Haseeb. COVID-19 PANDEMIC-KNOWLEDGE, PERCEPTION, ANXIETY AND DEPRESSION AMONG FRONTLINE HEALTHCARE WORKERS OF AYUB TEACHING HOSPITAL ABBOTTABAD, PAKISTAN. J Ayub Med Coll Abbottabad 2022, 34.