@misc{indiciaed933da39c993, title = {Extraembryonic proteases regulate Nodal signalling during gastrulation.}, author = {Séverine Beck and J Ann Le Good and Marcela Guzman and Nadav Ben Haim and Karine Roy and Friedrich Beermann and Daniel B Constam}, year = {2002}, doi = {10.1038/ncb890}, url = {https://pubmed.ncbi.nlm.nih.gov/12447384/}, note = {Source identifier: 12447384} }