Kastritis E, Sánchez-Ramón S, Szabo A, Machalinski B, Pérez-Montaña A, Chen J, Mc Coy B, Kamieniak M, Wietek S. P69 | REAL-WORLD USAGE OF HYALURONIDASE-FACILITATED SUBCUTANEOUS IMMUNOGLOBULIN 10% IN PATIENTS WITH MULTIPLE MYELOMA DIAGNOSED WITH SECONDARY IMMUNODEFICIENCY: AN INTERIM ANALYSIS. Haematologica 2026; 111(s2); https://doi.org/10.3324/haematol.2026.s2.14073.