Wyatt, C. N. and Campbell, V. and Brodbeck, J. and Brice, N. L. and Page, K. M. and Berrow, N. S. and Brickley, K. and Terracciano, C. M.N. and Naqvi, R. U. and MacLeod, K. T. and Dolphin, A. C. (1997) Erratum : Journal of Physiology (1997) 502 (307-319). Journal of Physiology, 503 (3). p. 699. ISSN 0022-3751