tamoxifen versus raloxifene The present study was aimed to compare the effect of two film and nanofiber formulations containing chitosan, polyvinyl alcohol, and doxycycline on the wound healing rate, concentration of Interleukin 1ОІ IL 1ОІ, tumor necrosis factor TNF О±, Interleukin 10 IL 10, matrix metalloproteinase MMP 2, tissue inhibitor of metalloproteinase TIMP 1, and histology and tissue stereology in the wound site in a model of diabetic rat