Title:
Proceedings of the National Academy of Sciences
Abbreviated Title:
Proceedings of the National Academy of Sciences
Publisher:
Proceedings of the National Academy of Sciences
ISSN
(Print):
0027-8424
ISSN
(Electronic):
1091-6490
Publication date Created:
December
15 1990
Publication date
(Print):
December
01 1990
Volume: 87
Issue: 24
Pages: 9868-9872
Article
DOI: 10.1073/pnas.87.24.9868
SO-VID: 48f0928e-6bbc-4812-b4c0-4c95e76bd73b
Copyright © ©
1990