1. Report of the Scientific Committee for Food on Nitrate and Nitrite, (26th series),1992
2. Document VI/1655/97,1997
3. Document VI/4800/96,1997
4. EuropeanCommission. 1998.Opinion on Nitrates and Nitrite, Reports of the Scientific Committee for Food (Thirty-eighth Series) 1–33. Luxembourg: Office for Official Publications of the European Communities.