Chen, K. K. (ed.) (1969) The first sixty years 1908–1969, p.145Arkiveret 8. januar 2014 hos Wayback Machine, The American Society for Pharmacology and Experimental Therapeutics .
Chen, K. K. (ed.) (1969) The first sixty years 1908–1969, p.145Arkiveret 8. januar 2014 hos Wayback Machine, The American Society for Pharmacology and Experimental Therapeutics .