Citation

Kromm JN, Frattaroli S, Vernick JS, Teret SP. Public Health Rep. (1974) 2009; 124(6): 889-894.

Affiliation

Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205, USA. jkromm@jhsph.edu

Copyright

(Copyright © 2009, Association of Schools of Public Health)

DOI

unavailable

PMID

19894433

PMCID

PMC2773956

Abstract

[Abstract unavailable]

Language: en