INSECT CONTROL WITH DDT, FILM BULLETIN ON DDT – THE BULLETIN OF THE U.S. ARMY MEDICAL DEPARTMENT – NUMBER 88 – MAY 1945.
Source:
THE BULLETIN OF THE U.S. ARMY MEDICAL DEPARTMENT – NUMBER 88 – MAY 1945

  1. https://archive.org/details/BAMD1945-05No88/page/n40/mode/1up
  2. https://babel.hathitrust.org/cgi/pt?id=osu.32436001067238&seq=575