D006415Chemicals & DrugsD03.383.129.578.840.500.462D03.549.909.500.462D04.345.783.500.462D23.767.727.462Hematoporphyrinsprns:meshDescriptorUIMeSH DescriptorUIprns:meshSemanticGroupNameMeSH semantic group nameprns:meshTreeNumberMeSH tree numberrdf:typetyperdfs:labellabelConcept