Thrombotic Thrombocytopenic Purpura Following Pfizer-BioNTech COVID-19 Vaccination in a Patient With Multiple Myeloma: Case Report and Literature Review

辉瑞-BioNTech COVID-19疫苗接种后多发性骨髓瘤患者出现血栓性血小板减少性紫癜：病例报告及文献综述