Previous Article Next Article Table of Contents Nature, Vol.386, No.6626, 664-664, 1997 DOI10.1038/386664a0 Export Citation Circadian Clock in Malpighian Tubules Giebultowicz JM, Hege DM Keywords:PERIOD GENE-PRODUCT;DROSOPHILA;SYSTEM Please enable JavaScript to view the comments powered by Disqus.