Thomsen T, Zendeh B, Fischer JP, Kewitz H (1991)
In vitro effects of various cholinesterase inhibitors on acetyl- and butyrylcholinesterase of healthy volunteers
Biochemical Pharmacology 41: 139

Thomsen T, Kaden B, Fischer JP, Bickel U, Barz H, Gusztony G, Cervos-Navarro J, Kewitz H (1991)
Inhibition of acetylcholinesterase activity in human brain tissue and erythrocytes by galanthamine, physostigmine and tacrine
European Journal of Clinical Chemistry & Clinical Biochemistry 29: 487