P962: COMMERCIAL TECLISTAMAB IN ANTI-BCMA THERAPY EXPOSED RELAPSED REFRACTORY MULTIPLE MYELOMA PATIENTS: THE MSKCC EXPERIENCE. - Ross Firestone; Tala Shekarkhand; Dhwani Patel; Malin Hultcrantz; Alexander Lesokhin; Sham Mailankody; Hani Hassoun; Carlyn Tan; Urvi Shah; Neha Korde; Kylee Maclachlan; Heather Landau; et al. (HemaSphere, 2023)