Grotra, R., P. Vijay, R. K. Gupta, and B. Malhotra. “Positive Association of Serum IgG4 Levels With Modified Marsh Classification System in Children With Gluten Enteropathy: A Single Centre Experience”. International Journal of Contemporary Pediatrics, vol. 11, no. 5, Apr. 2024, pp. 545-8, doi:10.18203/2349-3291.ijcp20241034.