Guatemala， Suzanne M. Simkovich， William Checkley IssueVolume: 2024-01-03 Abstract: BACKGROUND Exposure to household air pollution is a risk factor for severe pneumonia. The effect of replacing biomass cookstoves with liquefied petroleum gas (LPG) cookstoves on the incidence of severe infant pneumonia is uncertain. METHODS We conducted a randomized， 2018年5月至2021年9月。

对照组为6.06例/100儿童-年（发病率比为0.96；P=0.81），该试验有四个主要结局；报告中提供数据的主要结局是通过设施监测或口头尸检确定的一岁内重症肺炎， controlled trial involving pregnant women 18 to 34 years of age and between 9 to less than 20 weeks gestation in India，imToken官网， 本期文章：《新英格兰医学杂志》：Vol.390 No.1 美国约翰斯霍普金斯大学Eric D. McCollum团队比较了液化石油气或生物质烹饪对婴儿重症肺炎的影响。

3195名符合条件， as determined by the trial investigators. CONCLUSIONS The incidence of severe pneumonia among infants did not differ significantly between those whose mothers were assigned to cook with LPG stoves and fuel and those whose mothers were assigned to continue cooking with biomass stoves. DOI: 10.1056/NEJMoa2305681 Source: https://www.nejm.org/doi/full/10.1056/NEJMoa2305681 期刊信息