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: 5427
Pages: 574-578
Article
DOI: 10.1126/science.285.5427.574
SO-VID: 611cb1c3-26d1-4920-83c1-d4257b58c90b