The goal in these in vivo experiments was to answer the questions …

• Abstract
• Introduction
• Methods
• Results
• Discussion
• Miscellaneous
• References
• Figures

This work was supported by National Institutes of Health Grants DC-01999 and DC-00116 and National Science Foundation Grant BNS-8901993.

FOOTNOTES

Address for reprint requests: Philip Smith, Dept. of Anatomy, University of Wisconsin Medical School, Madison, WI 53706.

Received 3 November 1997; accepted in final form 20 February 1998.