A Bacteriological Survey of Telephone Instruments under Various Conditions of Use
Calvin B. Coulter, Florence M. Stone · American Journal of Public Health and the Nations Health · 1937
A Bacteriological Survey of Telephone Instruments under Various Conditions of Use Calvin B. Coulter, and Florence M. Stone CopyRight https://doi.org/10.2105/AJPH.27.10.993 Published Online: August 29, 2011