PT - JOURNAL ARTICLE AU - Fine, Bernard J. TI - Letters to the Editor3 AID - 10.1126/science.168.3936.1152-a DP - 1970 Jun 05 TA - Science PG - 1152--1152 VI - 168 IP - 3936 4099 - http://science.sciencemag.org/content/168/3936/1152.2.short 4100 - http://science.sciencemag.org/content/168/3936/1152.2.full SO - Science1970 Jun 05; 168