Archaeology: getting blood from stone tools.
D000818:Animals; D001106:Archaeology; D001955:British Columbia; D004864:Equipment and Supplies; D000882:Haplorhini / Q000097:blood*; D006454:Hemoglobins / Q000032:analysis*; D049690:History, Ancient; D006801:Humans; D007493:Iraq; D008322:Mammals / Q000097:blood*
D006454:Hemoglobins