"A" "appearance" of "rouleaux" within "live" blood samples "is a sign of" more than just a "interesting" finding. "Rouleaux"—which appear as stacks of red blood cells, resembling coins—form when certain" conditions https://lecturademensajesangelic608894.starsblogger.com/619322/rouleaux-in-live-blood-understanding-formation-and-significance