Functional matrix metalloproteinase (MMP)-9 genetic variants modify the effects of hemodialysis on circulating MMP-9 levels - Marson, Bernardo P.; Lacchini, Riccardo; Belo, Vanessa; Mattos, Silvia G.; Costa, Bartira P. da; Poli-de-Figueiredo, Carlos E; Tanus-Santos, José Eduardo (Clinica Chimica Acta, 2012)