He, Haiqi Comment on "Stability of human rapamycin-expanded CD4+CD25+ T regulatory cells" Haematologica 2011;96(9):1357-65. [electronic resource] - Haematologica May 2012 - e16; author reply e17 p. digital Publication Type: Letter; Comment ISSN: 1592-8721 Standard No.: 10.3324/haematol.2011.061689 doi Subjects--Topical Terms: AnimalsCell Proliferation--drug effectsFemaleHumansSirolimus--pharmacologyT-Lymphocytes, Regulatory--cytology