title: The 34th Congress of the International Union of Physiological Sciences.
authors.affiliation: D. C. Macknight is in the Department of Physiology, University of Otago Medical School, PO Box 913, Dunedin, New Zealand.
authors.forename: Anthony D. C.
authors.initials: AD
authors.lastname: Macknight
authors.forename: Ewald R.
authors.initials: ER
authors.lastname: Weibel