1. Attili AF, The GREPCO Group (1984) Dietary habits and cholelithiasis. In: Capocaccia L, Ricci G, Angelico F, Angelico M, Attili AF (eds) Epidemiology and prevention of gallstone disease. MTP Press, Lancaster, pp 175–181
2. Attili AF, The Rome Group for the Epidemiology and Prevention of Cholelithiasis (GREPCO) (1987) Diet and gallstones: results of an epidemiologic study performed in male civil servants. In: Barbara L, Bianchi Porro G, Cheli R, Lipkin M (eds) Nutrition in gastrointestinal disease. Raven Press, New York, pp 225–231
3. Au J, Smith AN, Eastwood MA (1988) Diverticular disease in Scotland over 15 years. Proc R Coll Physicians Edinburgh 18:271–276
4. Barker DJP (1985) Acute appendicitis and dietary fibre; an alternative hypothesis. Br Med J 290:1125–1127
5. Barker DJP, Morris J, Nelson M (1986) Vegetable consumption and acute appendicitis in 59 areas in England and Wales. Br Med J 292:927–930