Localization of the B. botulinus spores and relations of type to preserved vegetables ; Physiological effects of high temperatures and humidities ; Births, deaths, and infant mortality in birth registration area, 1921 and 1922 ; Death rates in group of insured persons, May, 1923.
Government Printing Office,
Public Helath Reports ;
Vol. 38, No. 29 (July 20, 1923)