Autor:	L E Kerr
Rok vydání:	1973
Předmět:	Organization and Administration Political science Public Health Environmental and Occupational Health Library science History 19th Century Public Health History 20th Century Societies United States Forecasting Research Article
Zdroj:	American Journal of Public Health. 63:838-840
ISSN:	1541-0048 0090-0036
DOI:	10.2105/ajph.63.10.838
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a45e448c0afce76a856efe799ba4e1d9 https://doi.org/10.2105/ajph.63.10.838 Zobrazit plný text záznamu