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: 5439
Pages: 531-537
Article
DOI: 10.1126/science.286.5439.531
SO-VID: 46cafd1a-08b5-4095-98e7-fca0269b65a7