Found 1 pathways with zero (PubMed) references
* [http://classic.wikipathways.org/instance/WP5034_r129109](http://classic.wikipathways.org/instance/WP5034_r129109) 'Mitochondrial complex inhibition leading to liver injury' in Homo sapiens has zero references;
More details at https://www.wikipathways.org/WikiPathwaysCurator/ReferencesTests/atLeastOneReference