%0 Journal Article %T An absolute requirement for both the type II and type I receptors, punt and thick veins, for Dpp signaling in vivo %A Ruberte, Esther %A Marty, Thomas %A Nellen, Denise %A Affolter, Markus %A Basler, Konrad %A , %J Cell %@ 0092-8674 %D 1995-03-01 %I Elsevier BV %~ DeepDyve