Perseverative negative thinking prospectively mediates the relationship between perfectionism and psychological distress. - Casimiro, P.; Pinto, A.M.; Pereira, A.T.; Quaresma, V.; Soares, M.J.; Amaral, A.P.; Maia, B.; Marques, M.; Nogueira, V.; Roque, C.; Madeira, N.; Bajouco, M.; et al. (European Psychiatry, 2016)