Poliomyelitis epidemic, possibly milk-borne, in a naval station, Portland, Oregon.
D000818:Animals; D001699:Biometry; D001940:Breast; D003611:Dairy Products; D058872:Epidemics; D008892:Milk; D009922:Oregon; D011051:Poliomyelitis / Q000453:epidemiology* / Q000706:statistics & numerical data*
POLIOMYELITIS/epidemiology and statistics