1Barzanji J,Enery JI.Changes in the spleen related to bith[J].J Anat,1997,127:819.
2Timens W,Rozcboqm T,Poppema S.Fetal and neonatal devopment of human spleen:an immunohistochemical study[J].Immunology,1987,60:603-609.
3Ralphm Steinmananozanvila.Cohn:identificatior of a novel cell type inperipherai lynvphoid of nmice:i.morphology,qnantilation tissue distributien[J].J Exp Med,1973,137:1142.
