Aslam, Sohail, Syed Muhammad Asad Shabbir Bukhari, Adnan Asghar, Naeem Riaz, Iftekhar Yousaf, Sana Sadiq, and Muhammad Fahd Waseem. “NASOPHARYNGEAL SPECIMEN COLLECTION FROM SUSPECTED COVID-19 CASES, MAKING THE PROCEDURE SAFE”. Pakistan Armed Forces Medical Journal 71, no. Suppl-3 (December 28, 2021): S432–36. Accessed December 12, 2024. https://pafmj.org/PAFMJ/article/view/7925.