Westra P, van Thiel MJ, Vermeer GA, Soeterbroek AM, Scaf AH, Claessens HA (1986)
Pharmacokinetics of galanthamine (a long-acting anticholinesterase drug) in anaesthetized patients
British Journal of Anaesthesia 58: 1303

Vermeer GA, Hess SW (1974)
The potentiation of the neuromuscular blocking activity of hexafluorenium and d-tubocurarine by volatile anaesthetics
Anaesthesist 23: 72

Meijer DK, Vermeer GA, Kwant G (1971)
The excretion of hexafluorenium in man and rat
European Journal of Pharmacology 14: 280