Aprea, M. C., Scapellato, M. L., Valsania, M. C., Perico, A., Perbellini, L., Ricossa, M. C., Pradella, M., Negri, S., Iavicoli, I., Lovreglio, P., Salamon, F., Bettinelli, M. and Apostoli, P. (2017) “Methodology to define biological reference values in the environmental and occupational fields: the contribution of the Italian Society for Reference Values (SIVR)”, La Medicina del Lavoro | Work, Environment and Health, 108(2), pp. 138–148. doi: 10.23749/mdl.v108i2.5574.