D001946Concepts & IdeasPhysiologyC13.703.420.183G08.686.520.150G08.686.785.760.769.326.520.150Breech Presentationprns:meshDescriptorUIMeSH DescriptorUIprns:meshSemanticGroupNameMeSH semantic group nameprns:meshTreeNumberMeSH tree numberrdf:typetyperdfs:labellabelConcept