BHATTI, R, and D M SHAIKH. “Frequencies of ABO Blood Alleles in Human Population of Pakistan: Southern Sindh in Focus”. Annals of King Edward Medical University 4, no. 1 (August 8, 2020): 4–5. Accessed May 6, 2024. https://annalskemu.org/journal/index.php/annals/article/view/3739.