PT  - JOURNAL ARTICLE
AU  - Koo, Ted S. Y.
TI  - Letters to the Editor
AID  - 10.1126/science.167.3920.932-a
DP  - 1970 Feb 13
TA  - Science
PG  - 932--932
VI  - 167
IP  - 3920
4099  - http://science.sciencemag.org/content/167/3920/932.2.short
4100  - http://science.sciencemag.org/content/167/3920/932.2.full
SO  - Science1970 Feb 13; 167