Regulation and functional implications of concanavalin A (Con A) and α-bungarotoxin (α-BGT) receptor sites in adrenal paraneurons: J.-M. Trifaro,1M. Quik,2G. W. Bourne1 and S. Geertsen21(Secretory Process Research Program, Department of Pharmacology, University of Ottawa, Ottawa and 2McGill University, Montreal, Canada)