Barot SR, Barot VS, Patil M, Chorgh J. Acute acalculous cholecystitis: an unusual presentation of vitamin B12 deficiency. Int J Contemp Pediatr [Internet]. 2021 Apr. 27 [cited 2026 May 27];8(5):931-2. Available from: https://www.ijpediatrics.com/index.php/ijcp/article/view/4150