Title:
Science
Publisher:
American Association for the Advancement of Science (AAAS)
ISSN
(Print):
00368075
ISSN
(Electronic):
10959203
Publication date
(Print):
May
1999
Volume: 284
Issue: 5418
Pages: 1318-1322
Article
DOI: 10.1126/science.284.5418.1318
SO-VID: ed482794-c9c9-4eff-bf70-227509e19f3a