Mazen A. Ismail, Asim T. Sharif. Case Report: Unexplained Presence of Yellow Oval Elements in Stool Mimicking Parasitic Infection in a Patient on Metformin Extended-Release. J Popl Ther Clin Pharmacol [Internet]. 2023 Dec. 16 [cited 2024 Nov. 18];30(17):774-6. Available from: https://mail.jptcp.com/index.php/jptcp/article/view/3735