Article Information
vol. 277 no. 5324 383-387
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History:
- Received for publication April 17, 1997
- Accepted for publication June 13, 1997
- .
Author Information
- Roy M. Long*,
- Robert H. Singer,
- Xiuhua Meng,
- Isabel Gonzalez,
- Kim Nasmyth,
- Ralf-Peter Jansen