Plasma exchange as an effective treatment for refractory pure red cell aplasia post-ABO-incompatible hematopoietic stem cell transplantation: a rare complication. - Khalaf, Asaad A; Farttoosi, Mohammed Al; Al-Badri, Sajjad Ghanim; Abbas, Abbas Hamza; Al-Ajrash, Riyam Mudheher Nabbat; Hashim, Ahmed Shamil; Bacha, Zaryab (Oxford Medical Case Reports, 2025)