article_metadata: Benjamin L Hodnett Berrylin Ferguson
article_metadata: 10.12688/f1000research.3791.2
article_metadata: F1000Res
article_metadata: 2014 Mar 31;3:81.
article_metadata: CC BY
article_metadata: https://pubmed.ncbi.nlm.nih.gov/24795809/
article_metadata: PMC3999928
article_metadata: 24795809
article_metadata: Case Report: retained gutta-percha as a cause for persistent maxillary sinusitis and pain
article_metadata: 2014