Am J Public Health Nations Health. 1928 Sep;18(9):1129-30. doi: 10.2105/ajph.18.9.1129.
American journal of public health and the nation's health
[No authors listed]
PMID: 18012564 PMCID: PMC1580617 DOI: 10.2105/ajph.18.9.1129
[No abstract available.]