title: Restricted latin square design in a plaque disclosant study.
mesh_terms: D002986:Clinical Trials as Topic; D003773:Dental Plaque / Q000175:diagnosis*; D004492:Edetic Acid / Q000378:metabolism; D005456:Fluorescent Dyes; D006801:Humans; D009067:Mouthwashes; D009910:Oral Hygiene; D013053:Spectrophotometry; D013223:Statistics as Topic
chemical_list: D005456:Fluorescent Dyes; D009067:Mouthwashes; D004492:Edetic Acid