Title:
Science
Publisher:
American Association for the Advancement of Science (AAAS)
ISSN
(Print):
00368075
ISSN
(Electronic):
10959203
Publication date
(Print):
July
1999
Volume: 285
Issue: 5428
Pages: 690-692
Article
DOI: 10.1126/science.285.5428.690
SO-VID: 8ffaa5fa-d660-4604-9e44-5609abf37263