title: Periodontology in Japan 1974-1975.
mesh_terms: D000328:Adult; D000818:Animals; D001634:Bibliographies as Topic; D002675:Child, Preschool; D003773:Dental Plaque / Q000032:analysis; D005260:Female; D005883:Gingival Crevicular Fluid / Q000032:analysis; D006168:Guinea Pigs; D006801:Humans; D007564:Japan; D008297:Male; D010517:Periodontics; D051381:Rats; D012463:Saliva / Q000032:analysis; D014783:Viscosity