1. Center for Oxygen Research and Development (C.O.R.D.), University of Liège, 17 allée de la Chimie (B6a), B-4000 Liège 1, Belgium; Laboratory of Instrumental Analysis and Bioelectrochemistry, Free University of Brussels, 205/6 Campus de la Plaine, B-1050 Brussels, Belgium; Therabel Research, 108 rue Egide Van Ophem, B-1180 Brussels, Belgium; Department of Medicinal Chemistry, University of Groningen, 1 A. Deusinglaan, NL-9713 AV Groningen, The Netherlands; Laboratory of Physiology, University of Liège, 17...