"The" "observation" of "rouleaux" within "live" blood samples "is a sign of" more than just a "curious" finding. "Rouleaux"—which appear as stacks of red blood cells, resembling coins—form when certain" conditions https://microscopa-de-campo-oscu952335.javameblog.com/61786470/rouleaux-in-live-blood-understanding-formation-and-significance