Turneer, M., Marchal, A., & Carra, J. (1983). [Immunogenic and Protective Effects of An Adsorbed Tetanus Toxoid .2. Assay in Pigs]. Annales de Medecine Veterinaire (Print Edition), 127(8), 643-650. https://hdl.handle.net/2078.5/41606 (Original work published 1983)