Open AccessPreliminary Program, Ninety-Seventh Annual Meeting, Philadelphia, Pa.
Publication year - 1969
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.59.8.1455
Subject(s) - library science , political science , history , computer science