|Original language||English (US)|
|Number of pages||7|
|State||Published - 1999|
Bibliographical noteFunding Information:
The authors thank C. E. Boudreau, E. P. Cook, M. C. Crair, J. J. DiCarlo, R. A. Eatock, and D. L. Sparks for thoughtful comments on the manuscript. Research in the authors' laboratory is supported by grants from the Human Frontier Science Program and the National Institutes of Health (R01 EY05911). J. H. R. M. is an Investigator with the Howard Hughes Medical Institute.