Here is a cite: https://www.thoracic.org/patients/patient-resources/resources/burning-indoor-fuels.pdf https://www.thoracic.org/patients/patient-resources/reso

Here is a cite: https://www.thoracic.org/patients/patient-resources/resources/burning-indoor-fuels.pdf https://www.thoracic.org/patients/patient-resources/resource... https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3500516/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3500516/