Fig. 1

Histological view at 2, 4 and 8 weeks. a 2 week group 1; b 2week group 2; c 2week group 3; d 2 week group 4; e 4 week group 1; f 4 week group 2; g 4 week group 3; h 4 week group 4; i 8 week group 1; j 8 week group 2; k 8 week group 3; l 8 week group 4. (H-E stain, Magnification X 100)