Aziz Khalil N, Mahmood Alrawi A. Extraction of heat-stable enterotoxin of Yersinia enterocolitica. EDUSJ [Internet]. 2013 Mar. 1 [cited 2025 Aug. 6];26(1):28-34. Available from: https://ojs.uomosul.edu.iq/index.php/edusj/article/view/23225