[Comparative study of malignant tumor incidence in the Tookoom District of the Latvian SSSR].
D006801:Humans; D015994:Incidence; D009369:Neoplasms / Q000706:statistics & numerical data*
NEOPLASMS/statistics
Sravnitel'noe izuchenie chastoty zabolevaemosti zlokachestvennymi opukholiami po Tukumskomu Raionu Latviiskoi SSSR.