Jordanova, I., M. Trashlieva, and K. Koitchev. “Acrodermatitis Enteropathica. A Benign Case With Normal Serum Zinc.”. European Journal of Pediatric Dermatology, vol. 9, no. 4, Dec. 1999, pp. 209-13, https://ejpd.com/index.php/journal/article/view/76.