Title:
Science
Publisher:
American Association for the Advancement of Science (AAAS)
ISSN
(Print):
00368075
ISSN
(Electronic):
10959203
Publication date
(Print):
February
1997
Volume: 275
Issue: 5301
Pages: 793-796
Article
DOI: 10.1126/science.275.5301.793
SO-VID: 191ab396-5c08-4500-9311-1a4503147ebc