Adverse health effects associated with household air pollution: a systematic review, meta-analysis, and burden estimation study. - Lee KK; Bing R; Kiang J; Bashir S; Spath N; Stelzle D; Mortimer K; Bularga A; Doudesis D; Joshi SS; Strachan F; Gumy S; et al. (The Lancet. Global health, 2020)