/ / 



.Sh 



Biology Code 



of the 



CHEMICAL-BIOLOGICAL COORDINATION CENTER 



A system for coding results, pro- 

 cedures, and conditions of tests for 

 biological responses to chemicals 



Edited by 



Philip G. S|;itner 



in cooperation with 



George A. Livingston and Ann S. Williams 



Publication 790 



NATIONAL ACADEMY OF SCIENCES-NATIONAL RESEARCH COUNCIL 



Washington 25, D. C. 

 1960 



