1. Parents' perceptions of food intolerance in primary school children;RJ, I.Rona; S, Chinn;BrMedJ,1987
2. Allergy to drugs, food and food additives;RG, V.'an Dellen; CE, Reed,1982
3. Food allergy, hypersensitivity and intolerance;Pearson, D.J.;J R Coll Physicians Lond,1985
4. Food intolerance and allergy. QJ7 Med 1983; 206: 111-9. 5 'I'anner;Lessof, M.H.;JM. Physical development. Br Med Bull,1986
5. A nutritional surveillance study;Altman, D.G.; Cook, J.;Proceedings ofthe Royal Society ofMedicine,1973