Hayes AF, Montoya AK, Rockwood NJ. The analysis of mechanisms and their contingencies: PROCESS versus structural equation modeling. AMJ. 2017 Feb;25(1):76-81. doi: 10.1016/j.ausmj.2017.02.001
Pujol J, Fenoll R, Macia D, Martinez-Vilavella G, Alvarez-Pedrerol M, Rivas I, Forns J, Deus J, Blanco-Hinojo L, Querol X, Sunyer J. Airborne copper exposure in school environments associated with poorer motor performance and altered basal ganglia. Brain Behav. 2016 Apr 22;e00467. doi: 10.1002/brb3.467