杂志:J Biomed Mater Res A. 2003 Nov 1;67(2):637-40. + S% s7 [- b4 S+ C, Y题目:Transforming growth factor-beta1 in a sterilized tissue derived from the pig small intestine submucosa. ) J- z, {0 U- M8 U作者:McDevitt CA, Wildey GM, Cutrone RM. 7 U% n% h" Q. z