Endothelin-1 stimulates proliferation of first trimester trophoblasts via the A- and B-type receptor and invasion via the B-type receptor - Cervar-Zivkovic, M; Dieber-Rotheneder, M; Barth, S; Hahn, T; Kohnen, G; Huppertz, B; Lang, U; Desoye, G (Geburtshilfe und Frauenheilkunde, 2011)