TY - JOUR T1 - TOxicity of tetrachloroethylene Y1 - 1949/12/10 N1 - 10.1001/jama.1949.02910150034014 JO - Journal of the American Medical Association SP - 1068 EP - 1068 VL - 141 IS - 15 N2 - In the eighth line of the answer to the query by this title in The Journal, Oct. 8, 1949, page 426, the words "parts per thousand" should have read "parts per million." SN - 0002-9955 M3 - doi: 10.1001/jama.1949.02910150034014 UR - http://dx.doi.org/10.1001/jama.1949.02910150034014 ER -