Sialic acids rather than glycosaminoglycans affect normal and sickle red blood cell rheology by binding to four major sites on fibrinogen. Issue 4 (15th January 2020) - Gondelaud, Frank; Connes, Philippe; Nader, Elie; Renoux, Céline; Fort, Romain; Gauthier, Alexandra; Joly, Philippe; Ricard‐Blum, Sylvie