[Occupational diseases: when union is not strength].

Objectives: The operating model of health and safety protection in the workplace is a complex system made up of multiple integrated layers of intervention, achieved by various parties, organizations and institutions. The objective in this study was to verify the congruity and appropriateness of these specific interventions in the Genoa area, starting from a sample of reports of musculoskeletal diseases pursuant to Art. 139 TU 1124/1965 and to Art.