It is called a systematic review and meta analysis of haploidentical stem cell transplantation in younger adults with acute lymphoblastic leukemia. The topic should be narrowed down to be very specific. As a possible example, something like the use of cyclophosphamide (commonly used when mismatch) and to look at patients after engraftment in time period 6 month to 1 year after transplant. For the paper only primary resources that give data should be used. And also papers should be used from different groups. PICOS and Prisma to use, PubMed, Science Direct and Google Scholar should be used for research. Word limit is 5000 words (± 10%) and 25+ references to have.