Clues for the word "BLOODTYPES"

We've had 3 crossword clues used for this word, and seen it 3 times in crosswords. It was last seen in Pat Sajack's Code Letter crossword on December 16, 2017.

Referring Clues

A and B, e.g.
A B O
What 16-Across and 15-, 23- and 28-Down start with

Last Seen In

Pat Sajack's Code Letter - December 16, 2017
New York Times - October 02, 2017
LA Times - December 15, 2011