[1] NIDDKD,METAB DIS BRANCH,BLDG 10,ROOM 9C101,BETHESDA,MD 20892
[2] UNIV HEIDELBERG,DEPT PHARMACOL,D-6900 HEIDELBERG,FED REP GER
[3] UNIV GLASGOW,DEPT PHARMACOL,GLASGOW G12 8QQ,SCOTLAND
[4] UNIV GLASGOW,DEPT BIOCHEM,GLASGOW G12 8QQ,SCOTLAND
[5] ROCKEFELLER UNIV,DEPT BIOCHEM,NEW YORK,NY 10021