Title:
Science
Publisher:
American Association for the Advancement of Science (AAAS)
ISSN
(Print):
00368075
ISSN
(Electronic):
10959203
Publication date
(Print):
October
1999
Volume: 286
Issue: 5441
Pages: 934-937
Article
DOI: 10.1126/science.286.5441.934
SO-VID: 0e51977f-c89e-4623-84e3-3694c3522fa2