Christian I. Ilozue, Jacob K.P. Kwaga, and Mohammed Bello. “Level of Awareness and Frequency of Contacts With Common-Known Exposure Factors of Leptospirosis Among Pig Farmers and Slaughterhouse Workers in Kaduna Metropolis, Kaduna State Nigeria”. Scientific Journal of Pure and Applied Sciences 5, no. 3 (March 25, 2016): 407-412. Accessed January 18, 2022. http://www.sjournals.com/index.php/sjpas/article/view/222.