求两篇文献

a530maxiaofei

Regeneration in Epithelial Proliferative Units as Exemplified by Small Intestinal Crypts
, c/ f! a5 V3 G6 z) L; _http://onlinelibrary.wiley.com/d ... 0514122.ch4/summary7 D6 D) c7 z4 ]) d
3 E- k& H: _8 l# {
The role of stem cells in the regeneration of intestinal crypts after cytotoxic exposure
  O5 s: T7 ]1 f* f; s; Hhttp://ukpmc.ac.uk/abstract/MED/1946515