Article Title,Year,Volume,Issue,Page Range,Author The use of helmets by motorcyclists. laboratory test and our clinical experience,1987,7,3,377-384,Ferlito Epidemiological considerations in the etiopathogenesis of maxillofacial fractures,1987,7,1,75-81,Terranova Clinico-statistical considerations in maxillofacial injuries in tennis,1988,8,1,53-56,Zaborra Incidence of orodental trauma in sports: soccer water polo and cycling,1988,8,4,333-338,Rizzo