[Prevalence of gastrointestinal functional disorders in various population groups].
D000328:Adult; D005767:Gastrointestinal Diseases / Q000453:epidemiology*; D006801:Humans; D007558:Italy; D009784:Occupational Diseases / Q000453:epidemiology; D011602:Psychophysiologic Disorders / Q000453:epidemiology*
Prevalenza di disordini funzionali gastroenterici in vari gruppi popolazionistici.