Pharmacoepidemiol Drug Saf. 1998 Jul;7(4):281-7. doi: 10.1002/(SICI)1099-1557(199807/08)7:4<281::AID-PDS325>3.0.CO;2-W.
This paper is the report of a meeting held in London under the auspices of the Council for International Organizations of Medical Sciences (CIOMS) on 17-18 April 1997. It contains definitions of terms used in reporting adverse drug reactions of the system/organ class gastrointestinal system disorders and basic requirements for their use.