MRD-negative duration following latest line of therapy predicts long-term PFS in real-world patients with multiple myeloma - Lucia Y. Chen; Santiago Thibaud; Saoirse Bodnar; Ajai Chari; Joshua Richter; Hearn Jay Cho; Larysa J. Sanchez; Cesar Rodriguez; Adriana C. Rossi; Shambavi Richard; Samir Parekh; Sundar Jagannath (Blood Advances)