Open AccessREPLY
Author(s) -
J Hoptman
Publication year - 1961
Publication title -
american journal of public health and the nation's health
Language(s) - Uncategorized
Resource type - Journals
eISSN - 2330-9679
pISSN - 0002-9572
DOI - 10.2105/ajph.51.5.765
Subject(s) - philosophy