DP - MPI Library TY - JOUR T1 - "Nerve Gas" Safety Seen in Our Masks and Clothing UR - https://www.jstor.org/stable/3926815 T2 - Science newsletter : the weekly summary of current science SP - Vol. 56, No. 21 (1949), p. 335 CY - Washington PY - 1949 N1 - Copyright: Copyright 1949 Science Service, Inc. ER -