Morphometric results
Tonsillar tissues of the children in the control and vitamin D groups demonstrated a highly statistically significantly lower mean area percent of collagen fibers compared with those in the placebo group (3.5 ± 0.4, 4.8 ± 0.4, and 21.1 ± 0.5, respectively, Effect of vitamin D supplementation on area percent collagen fibers in tonsillar tissue, Tonsillar tissues of the children in the control and vitamin D groups demonstrated a highly statistically significantly lower number of CD68 + ve cells compared with those in the placebo group (8.8 ± 2.4, 9.1 ± 3.1 and 30.4 ± 3.0, respectively, Effect of vitamin D supplementation on the number of CD68 + ve cells in tonsillar tissue, 