Hajira Khurshid, Sehar Khaliq, Lubna Zafar, Attika Khalid. Frequency of High Titre Anti-A and Anti-B Antibodies in Blood Group O Blood Donors. JRMC [Internet]. 2022 Sep. 30 [cited 2024 May 16];26(3). Available from: https://www.journalrmc.com/index.php/JRMC/article/view/1789