Comparison of Saliva sample and Nasopharyngeal Sample for the Diagnosis of COVID 19 in a Single Center in Bangladesh. Bangladesh J Infect Dis [Internet]. 2022 Nov. 2 [cited 2026 Jun. 28];9(9):S20-S23. Available from: https://www.banglajol.info/index.php/BJID/article/view/62611