[Dynamics of vital statistics in the population of Poland and in certain European countries in 1950-1960].
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D005060:Europe; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008875:Middle Aged; D011044:Poland; D014798:Vital Statistics
Dynamika współczynników zgonów ludności Polski i niektórych krajów europejskich w latach 1950-1960.