FamPlex
The Drug Ontology
Source
http://purl.obolibrary.org/obo/FPLX_Protease
http://purl.obolibrary.org/obo/DRON_00017221
LOOM
http://purl.obolibrary.org/obo/FPLX_Fibrinogen
http://purl.obolibrary.org/obo/DRON_00018213
LOOM