%0 Journal Article
%B Environment International
%D 2018
%P 1027-1031
%R 10.1016/j.envint.2018.07.015
%T Identifying the PECO: A framework for formulating good questions to explore the association of environmental and other exposures with health outcomes
%U https://www.sciencedirect.com/science/article/pii/S0160412018302046
%V 121
%8 2018-12-01
%! Identifying the PECO