Riccò, Matteo, Luigi Vezzosi, Carlo Cella, Marco Pecoraro, Giacomo Novembre, Alessandro Moreo, Enrico Maria Ognibeni, Gert Schallenberg, and Graziano Maranelli. “Tetanus Vaccination Status in Construction Workers: Results from an Institutional Surveillance Campaign”. Acta Bio Medica Atenei Parmensis 90, no. 2 (May 23, 2019): 269-278. Accessed September 16, 2019. http://mattioli1885journals.com/index.php/actabiomedica/article/view/6759.