title: Central nervous system-directed treatment in acute lymphoblastic leukemia: less effective in boys?
authors.forename: J M
authors.initials: JM
authors.lastname: Chessells
mesh_terms: D001932:Brain Neoplasms / Q000556:secondary / Q000628:therapy*; D003131:Combined Modality Therapy; D006801:Humans; D008297:Male; D054198:Precursor Cell Lymphoblastic Leukemia-Lymphoma / Q000473:pathology / Q000628:therapy*; D012727:Sex Characteristics