ৰক্তদল: বিভিন্ন সংশোধনসমূহৰ মাজৰ পাৰ্থক্য

*{{cite web | url = http://www.bloodbook.com/world-abo.html | title = Racial and Ethnic Distribution of ABO Blood Types – BloodBook.com, Blood Information for Life | accessdate = September 15, 2006 | publisher = bloodbook.com | archive-url = https://web.archive.org/web/20100304222457/http://www.bloodbook.com/world-abo.html | archive-date = 2010-03-04 | url-status=dead | df = }}

*{{cite web | url = http://abobloodgroup.googlepages.com/home | title = Molecular Genetic Basis of ABO | accessdate = July 31, 2008 | publisher =}}