[1] Department of Pharmacology,
[2] Medical Faculty,undefined
[3] University of Ljubljana,undefined
[4] Korytkova 2,undefined
[5] 1000 Ljubljana,undefined
[6] Slovenia,undefined
[7] Fax +38 66 1 44 60 82,undefined
[8] e-mail: ferjan@ibmi-mf.uni-lj.si,undefined