Title:
Science
Publisher:
American Association for the Advancement of Science (AAAS)
ISSN
(Print):
00368075
ISSN
(Electronic):
10959203
Publication date
(Print):
April
1997
Volume: 276
Issue: 5311
Pages: 404-407
Article
DOI: 10.1126/science.276.5311.404
SO-VID: 6f2568ef-6cb5-4942-9868-e5aa1622fba7