"A" "appearance" of "rouleaux" within "observed" blood samples can be more than just a "curious" finding. "They"—which appear as stacks of red blood cells, resembling coins—form when "specific" conditions "occur". https://anlisis-de-sangre-en-viv033612.attorneysblog.com/664266/rouleaux-in-live-blood-understanding-formation-and-significance