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Abstract
Mesh: See more » Education, MedicalHealth ServicesHealth Services, IndigenousHumansIndians, South AmericanParaguay
Year: 1979 PMID: 519411 PMCID: PMC1596883 DOI: 10.1136/bmj.2.6200.1274
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447