title: Fourth symposium on oral sensation and perception. Introduction.
mesh_terms: D002681:China; D004782:Environmental Health; D006331:Heart Diseases; D006801:Humans; D007391:International Cooperation; D008171:Lung Diseases; D009316:National Institutes of Health (U.S.); D009369:Neoplasms; D014586:USSR; D014481:United States