A rare presentation of acute on chronic graft versus host disease - Surbhi Khurana; Parul Chawla Gupta; Ashish Kulshrestha; Keshavamurthy Vinay; Alka Khadwal; Ritambara Nada; Byanjana Bashyal; Jagat Ram (Wolters Kluwer Medknow Publications, 2022)