Kandhi, P. W. “Effect Of Vitamin C On Tnf-Alpha Expression In Recurrent Tonsillitis At Rsud Dr. Moewardi”. Indonesian Basic and Experimental Health Sciences, vol. 13, no. 1, Apr. 2024, pp. 1-4, https://ibehs.rsmoewardi.com/index.php/ibehs/article/view/26.