http://www.ncbi.nlm.nih.gov/pubmed/9029095 E5 A0 { X7 F, s) y- Q4 e
Development of B cells in aged mice: decline in the ability of pro-B cells to respond to IL-7 but not to other growth factors) X! P; B4 ~, ]" [2 v, a/ P
J Immunol. 1997 Feb 15;158(4):1598-609
发表于 2011-6-27 20:04
