Minimal adhesions to ePTFE mesh after laparoscopic ventral incisional hernia repair: reoperative findings in 65 cases. - Koehler,R.H.; Begos,D.; Berger,D.; Carey,S.; LeBlanc,K.; Park,A.; Ramshaw,B.; Smoot,R.; Voeller,G. (Zentralbl Chir, 2003)