RT Journal T1 COuncil on pharmacy and chemistry JF Journal of the American Medical Association JO Journal of the American Medical Association YR 1939 FD November 4 VO 113 IS 19 SP 1734 OP 1735 DO 10.1001/jama.1939.02800440038012 UL http://dx.doi.org/10.1001/jama.1939.02800440038012 AB