D051897Chemicals & DrugsD12.644.360.024.334.200D12.776.157.057.170.249D12.776.476.024.417.249Smad Proteins, Inhibitoryprns:meshDescriptorUIMeSH DescriptorUIprns:meshSemanticGroupNameMeSH semantic group nameprns:meshTreeNumberMeSH tree numberrdf:typetyperdfs:labellabelConcept