D019304Chemicals & DrugsD04.808.668.651.568.291.250D04.808.668.651.693.762.225D06.472.334.851.437.968.500.250Ethinyl Estradiol-Norgestrel Combinationprns:meshDescriptorUIMeSH DescriptorUIprns:meshSemanticGroupNameMeSH semantic group nameprns:meshTreeNumberMeSH tree numberrdf:typetyperdfs:labellabelConcept