TEJPAL KASHYAP2, C. P. and. Production, Optimization of Detoxification and Ammonium Sulphate Precipitation of Ultrafiltered Tetanus Toxin. Recent Research in Science and Technology, [S. l.], v. 3, n. 11, 2011. Disponível em: https://updatepublishing.com/journal/index.php/rrst/article/view/823. Acesso em: 5 may. 2024.