[1] HUNTINGDON RES CTR,HUNTINGDON PE18 6ES,CAMBS,ENGLAND
[2] ROYAL POSTGRAD MED SCH,DEPT CLIN PHARMACOL,LONDON W12 0HS,ENGLAND
[3] ICI PLC,CENT TOXICOL LAB,MACCLESFIELD SK10 4TG,CHESHIRE,ENGLAND
[4] RHONE POULENC SECTEUR AGRO,CTR RECH,F-06560 VALBONNE,FRANCE
[5] GLAXO GRP RES LTD,WARE SG21 0DP,HERTS,ENGLAND
[6] LIFE SCI RES,EYE IP23 7PX,SUFFOLK,ENGLAND
[7] UNIV BIRMINGHAM,SCH MED,DEPT BIOMED SCI & ETH,BIRMINGHAM B15 21T,ENGLAND
[8] HAZLETON MICROTEST,HARROGATE HG3 1PY,N YORKSHIRE,ENGLAND
[9] UNILEVER RES LABS,ENVIRONM SAFETY LAB,SHARNBROOK MK44 1LQ,BEDS,ENGLAND