Letter: Research on dietary fibre.
D000818:Animals; D002482:Cellulose; D004032:Diet / Q000009:adverse effects; D004063:Digestion; D005504:Food Analysis; D005767:Gastrointestinal Diseases / Q000209:etiology; D000882:Haplorhini; D006801:Humans; D008031:Lignin; D009626:Terminology as Topic
D002482:Cellulose; D008031:Lignin