Anees Muhammad, Mohsina Haq, Munaza Khattak, Bakht Biland Khan, Ashfaq Ahmed, Momina Haq, Hala Haq, Anam Haq, Ihsan Ullah, Ihteshamul Haq, “Association of SARS-CoV-2 and ABO Blood Types: A Systematic Review”, Annals of RSCB, vol. 26, no. 01, pp. 444–463, Mar. 2022.