Gastrointestinal system - Diseases - Age factors.

Aging and the gastrointestinal tract by: (Language materials, printed)

Gut microbiota in aging and chronic diseases by: (Electronic resources)

Gastrointestinal Diseases- Aged.

Aging- physiology.

Gastrointestinal System- Aged.

Immunology.

Geriatric gastroenterology.

Gastrointestinal system- Microbiology.

Biochemistry.

Geriatrics.

Ageing.

Microbiology.

Gastrointestinal system- Diseases