
WILLIAM HENRY WELCH
Author(s) -
Mazÿck P. Ravenel
Publication year - 1925
Publication title -
american journal of public health
Language(s) - Uncategorized
Resource type - Journals
eISSN - 2330-9687
pISSN - 0271-4353
DOI - 10.2105/ajph.15.5.440-b
Subject(s) - gerontology , medicine , demography , sociology