Potter et al. Vol. 141, No. 3, May 1998. Pages 647–662.The underlined portion of the text below indicates an editorial omission from the Acknowledgments on p. 661.This work was supported by a National Institutes of Health (NIH) grant to D.A. Potter (K08-CA 1562), a National Science Foundation grant to D.E. Croall (MCB 9319602), and NIH grants to I.M. Herman (GM 55110 and EY 09033).
1998
