“Humoral and Cellular BNT162b2 MRNA-Based Booster Vaccine-Induced Immunity in Patients With Multiple Myeloma and Persistence of Neutralising Antibodies: Results of a Prospective Single-Centre Cohort Study”. 2023. Swiss Medical Weekly 153 (6): 40090. https://doi.org/10.57187/smw.2023.40090.