| Literature DB >> 3066626 |
Abstract
Keywords: Americas; Data Collection; Developed Countries; Developing Countries; Evaluation; Health; Historical Survey; Methodological Studies; North America; Northern America; Public Health; Research Methodology; United States
Mesh:
Year: 1988 PMID: 3066626 DOI: 10.1093/oxfordjournals.epirev.a036021
Source DB: PubMed Journal: Epidemiol Rev ISSN: 0193-936X Impact factor: 6.222