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ABO blood group system - Wikipedia
ABO blood group system | Definition, Blood Type, & ABO …
Chapter 5 The ABO blood group - National Center for …
Blood type - Wikipedia
ABO Blood Group System - StatPearls - NCBI Bookshelf
Blood Types – A, B, AB, O, Rh - Science Notes and Projects
ABO Blood Group System: Antigens, Typing and Tests
Blood Types & ABO Blood Group Test: What Blood Type Are You? - WebMD
Blood group | Types, Uses, & Facts | Britannica
15.3F: Blood Groups - Biology LibreTexts