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Debarpan Dhar, Partha Rakshit, A.K. Tahlan, Mrinalini Ghoshal, Fagulal Kumbhare, Tejpal Kashyap, Ravi Kumar Gupta. Ultrafiltration before detoxification enhance the purity and efficacy of tetanus toxin during large-scale production of tetanus toxoid vaccine. World J Pharm Sci [Internet]. 2015 May 3 [cited 2024 Jul. 3];3(5):858-61. Available from: https://wjpsonline.com/index.php/wjps/article/view/ultrafiltration-purity-efficacy-tetanus-toxoid-vaccine