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Nature 388, 423-424 (31 July 1997) |

Cellular secretion:  Now you see it, now you don't

W. J. Betz1 & J. K. Angleson1

'Seeing is believing' is a reasonable guide for everyday experience. But when looking at the events that occur in living cells — events that must be observed through a light microscope — 'seeing is belying' may be a better aphorism.

  1. W. J. Betz and J. K. Angleson are in the Department of Physiology, University of Colorado Medical School, Denver, Colorado 80262, USA.