%0 Case Reports %T Immune thrombocytopenic purpura in an elderly patient with cerebral hemorrhage after the fourth mRNA-1273 COVID-19 vaccination. %A Kobayashi M %A Kobayashi S %A Hayashi T %A Tachibana M %A Saito T %A Ogura K %A Miyakoshi S %J Geriatr Gerontol Int %V 23 %N 12 %D 2023 Dec 15 %M 37967853 %F 3.387 %R 10.1111/ggi.14737