Blood type letters Crossword Clue

Today's (15 February 2018) crossword provided to us by L.A. Times Daily and the clue is "Blood type letters".
The right answer or rather the best answer for the "Blood type letters" is:

Best Answer ABO

Crossword Date: 15 February 2018

Note: The L.A. Times Daily clue "Blood type letters" has multiple solutions for the given crossword puzzle. We apologize for the confusion, especially if there are other solutions to this crossword.
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