Afrah Adnan Hashim and Alyaa Maan Abdelhameed, “Detection of pspA Gene (Pneumococcal Surface Protein A) in Streptococcus pneumoniae Isolated from COVID-19 Patients”, Acad. Sci. J., vol. 1, no. 1, pp. 29–38, Jan. 2023, doi: 10.24237/ASJ.01.01.597B.