RT Journal T1 ERythrol tetranitrate in angina pectoris JF Journal of the American Medical Association JO Journal of the American Medical Association YR 1939 FD February 11 VO 112 IS 6 SP 562 OP 562 DO 10.1001/jama.1939.02800060078019 UL http://dx.doi.org/10.1001/jama.1939.02800060078019 AB In the abstract of this title from Ugeskrift for læger, Nov. 17, 1938, which appeared in The Journal January 28, page 374, the dose of erythrol tetranitrate was given as from 7.5 to 15 Gm. three or four times daily. This should have read from 7.5 to 15 mg.