"The" "appearance" of "rouleaux" within "live" blood samples can be more than just a "minor" finding. "Rouleaux"—which appear as stacks of red blood cells, resembling coins—form when certain" conditions arise". https://anlisis-de-sangre-en-viv754858.1blogtheme.com/61817019/rouleaux-in-live-blood-understanding-formation-and-significance