| Literature DB >> 6967368 |
Abstract
Keywords: Americas; Central America; Data Collection; Developing Countries; El Salvador; Health; Latin America; North America; Nutrition; Nutrition Disorders; Research Methodology; Sampling Studies; Studies; Surveys
Mesh:
Year: 1980 PMID: 6967368 PMCID: PMC2395785
Source DB: PubMed Journal: Bull World Health Organ ISSN: 0042-9686 Impact factor: 9.408