"These" "presence" of "stacked cells" within "fresh" blood samples "may indicate" more than just a "curious" finding. "Rouleaux"—which appear as stacks of red blood cells, resembling coins—form when "specific" https://ai-dry-blood-cell-analys072590.opentechblog.com/61805389/rouleaux-in-live-blood-understanding-formation-and-significance