FamPlex
RxNORM
Source
http://purl.obolibrary.org/obo/FPLX_Protease
http://purl.bioontology.org/ontology/RXNORM/8031
LOOM
http://purl.obolibrary.org/obo/FPLX_Fibrinogen
http://purl.bioontology.org/ontology/RXNORM/4385
LOOM