Hamna Khawaja, Mehmood Ahmed Rana, Shoaib Alvi, Ayesha Sadaf, Shamima Abdullah, Amna Jalal 2022. Occupational Risk Factors and Preventive Measures for Covid 19 in Prosthodontics. Pakistan Journal of Medical & Health Sciences. 16, 03 (May 2022), 1203. DOI:https://doi.org/10.53350/pjmhs221631203.