1. Household energy and health: where next for research and practice?
Majid Ezzati, Jill C Baumgartner 
The Lancet 
Volume 389, Issue 10065, Pages (January 2017)
DOI: /S (16)
Copyright © 2017 The Author(s). Published by Elsevier Ltd. This is an Open Access article under the CC BY license Terms and Conditions

2. Figure
Multiple sources of energy used for cooking in homes in India (an open fire, an LPG stove, and an electric hot plate)
When considered together with home heating, lighting, and other uses, the energy sources become even more diverse.
The Lancet  , DOI: ( /S (16) )
Copyright © 2017 The Author(s). Published by Elsevier Ltd. This is an Open Access article under the CC BY license Terms and Conditions