Light chain proteinuria revealing mu-heavy chain disease: an atypical presentation of Waldenström macroglobulinemia in two cases - Hélène Vergneault; Djaouida Bengoufa; Aline Frazier-Mironer; Isabelle Brocheriou; Samuel Bitoun; Camille Villesuzanne; Alexis Talbot; Stéphanie Harel; Bertrand Arnulf; Bruno Royer (Haematologica, 2021)