Allogeneic hematopoietic stem cell transplantation (HSCT) remains a curative option for children with high risk and advanced acute leukemia. Yet availability of matched family donor limits its use and although matched unrelated donor or mismatched umbilical cord blood (UCB) are viable options. they fail to meet the global need. Haploidentical family donor is almost universally availab... https://excellentphoto.shop/product-category/lens-hood/