Identifying the PECO: A framework for formulating good questions to explore the association of environmental and other exposures with health outcomes
Environment international, 2018-12, Vol.121 (Pt 1), p.1027-1031 [Peer Reviewed Journal]2018 ;ISSN: 0160-4120 ;EISSN: 1873-6750 ;DOI: 10.1016/j.envint.2018.07.015 ;PMID: 30166065
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