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WO2006136244A   [0011]  [0072] 
WO2007011797A   [0012]  [0021] 
US6777231B   [0012]  [0031]  [0031] 

Plast. Reconstr. Surg.   [0009] 
Dis Colon Rectum   [0009] 
Tissue Engineering   [0012]