Autor:	Donald J. Galagan
Rok vydání:	1952
Předmět:	medicine.medical_specialty Schools business.industry Family medicine medicine MEDLINE Humans Schools Dental Articles General Medicine business
Zdroj:	American Journal of Public Health and the Nations Health. 42:834-839
ISSN:	0002-9572
DOI:	10.2105/ajph.42.7.834
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f913142594ccfbe30af68504f8732382 https://doi.org/10.2105/ajph.42.7.834 Zobrazit plný text záznamu