ROYCHOUDHURY P, SAIKIA GK, RAHMAN H. Efficacy of dot- ELISA and Biken test for the detection of heat-labile enterotoxin (LT) of Escherichia coli*. Indian J of Anim Sci. 2014;72(6). Accessed October 23, 2025. https://epubs.icar.org.in/index.php/IJAnS/article/view/37622