title: Effects of citric acid on diseased root surfaces.
mesh_terms: D000328:Adult; D000368:Aged; D002908:Chronic Disease; D002951:Citrates / Q000494:pharmacology*; D006801:Humans; D008855:Microscopy, Electron, Scanning; D008875:Middle Aged; D010510:Periodontal Diseases; D014092:Tooth Root / Q000187:drug effects* / Q000648:ultrastructure
chemical_list: D002951:Citrates