Preventive nourishment in 1978.
D003731:Dental Caries / Q000517:prevention & control; D004032:Diet / Q000592:standards*; D004037:Diet, Cariogenic; D005511:Food Handling; D005520:Food Preservatives / Q000009:adverse effects; D006801:Humans; D009747:Nutritional Physiological Phenomena
D005520:Food Preservatives