Following are the headings of the appendixes: manual for interviewers, group interview technique, questionnaire ... DISTRACTING NOISE UPON SPEAKING RATE, DURATION, AND INTENSITY, by T. D. Hanley and G. L. Draegert. ... A STUDY OF QUATERNARY AMMONIUM SALTS AS GAS MASK DISINFECTANTS, by Catherine E. Wilson and Joseph S. Wiles. ... (Medical Dlv. rept. no. ... No statistical differences were observed between the bactericidal efficiencies of solutions madeanbsp;...
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