Found 1 pathways with zero (PubMed) references
* [http://classic.wikipathways.org/instance/WP368_r126356](http://classic.wikipathways.org/instance/WP368_r126356) 'Mitochondrial long chain fatty acid beta-oxidation' in Homo sapiens has zero references;
More details at https://www.wikipathways.org/WikiPathwaysCurator/ReferencesTests/atLeastOneReference