Observations on All Births (23,970) in Birmingham, 1947: VII. Effect of Changing Family Size on Infant Mortality

Autor:	Gibson, J. R., McKeown, Thomas
Zdroj:	British Journal of Social Medicine, 1952 Jul 01. 6(3), 183-187.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/25564782 Zobrazit plný text záznamu