A micro-bead device to explore <it>Plasmodium falciparum</it>-infected, spherocytic or aged red blood cells prone to mechanical retention by spleen endothelial slits by Mazier Dominique, Thellier Marc, Paye François, Couvelard Anne, Sauvanet Alain, Aussilhou Béatrice, Dokmak Safi, Guitton Corinne, Guillotte Micheline, Biligui Sylvestre, Perrot Sylvie, Lacoste François, Brousse Valentine, Jeddi Fakhri, Safeukui Innocent, Deplaine Guillaume, Milon Geneviève, Mohandas Narla, Puijalon Odile, David Peter H, Buffet Pierre A