Differentiation-dependent expression of gelatinase B/matrix metalloproteinase-9 in trophoblast cells - Peters, Thomas J; Albieri, Andrea; Bevilacqua, Estela Maris Andrade Forell; Chapman, Belinda M; Crane, Linda H; Hamlin, Gary P; Seiki, Motoharu; Soares, Michael J (Cell Tissue Research, 1999)