title: Letter: "Per cent T cells".
mesh_terms: D000328:Adult; D001402:B-Lymphocytes; D002648:Child; D005260:Female; D006801:Humans; D007945:Leukemia, Lymphoid / Q000097:blood; D007958:Leukocyte Count; D008206:Lymphatic Diseases / Q000097:blood; D010051:Ovarian Neoplasms / Q000097:blood / Q000188:drug therapy; D013601:T-Lymphocytes