Found 1 pathways with zero (PubMed) references
* [http://classic.wikipathways.org/instance/WP299_r126284](http://classic.wikipathways.org/instance/WP299_r126284) 'Nuclear receptors in lipid metabolism and toxicity' in Homo sapiens has zero references;
More details at https://www.wikipathways.org/WikiPathwaysCurator/ReferencesTests/atLeastOneReference