Clinical characteristics and outcomes in risk-stratified patients with smoldering multiple myeloma: data from the Czech Republic Registry of Monoclonal Gammopathies oleh Viera Sandecka, Tereza Popkova, Martin Stork, Vladimir Maisnar, Jiri Minarik, Alexandra Jungova, Petr Pavlicek, Lukas Stejskal, Lenka Pospisilova, Adriana Heindorfer, Jarmila Obernauerova, Evzen Gregora, Michal Sykora, Jana Ullrychova, Marek Wrobel, Petr Kessler, Tomas Jelinek, Peter Kunovszki, Sacheeta Bathija, Blanca Gros, Sabine Wilbertz, Qian Cai, Annette Lam, Ivan Spicka