Found 1 pathways with zero (PubMed) references
* [http://classic.wikipathways.org/instance/WP2113_r105848](http://classic.wikipathways.org/instance/WP2113_r105848) 'Type III interferon signaling' in Homo sapiens has zero references;
More details at https://www.wikipathways.org/WikiPathwaysCurator/ReferencesTests/atLeastOneReference