Am J Public Health Nations Health. 1969 Jan;59(1):196-202. doi: 10.2105/ajph.59.1.196.
American journal of public health and the nation's health
C M Wylie
PMID: 4885013 PMCID: PMC1226367 DOI: 10.2105/ajph.59.1.196 Free PMC Article
[No abstract available.]