Camille J. Roche* and Yuk-Ching Tse-Dinh#
*Dep. Bioc., Albert Einstein College of Medicine, Bronx,NY 10461; ph 718-430-2814; email:johnmroche@sprintmail.com
# Dep. Bioc. & Mol. Biol. New York Medical College, Valhalla, NY 10595; ph 914-594-4061, email: yuk-Ching_Tse-Dinh@NYMC.edu
email: johnmroche@sprintmail.com