Ion transport systems in kidney and urinary bladder of two Antarctic teleosts, Chionodraco hamatus and Trematomus bernacchii - MASINI, MARIA ANGELA; STURLA, MADDALENA; PRATO, PAOLA; UVA, BIANCA MARIA (Springer Verlag Germany:Tiergartenstrasse 17, D 69121 Heidelberg Germany:011 49 6221 3450, EMAIL: g.braun@springer.de, INTERNET: http://www.springer.de, Fax: 011 49 6221 345229, 2001)