1. The sustainable physician;Mortimer F;Clin Med (Lond),2010
2. Steam sterilisation’s energy and water footprint;McGain F;Aust Health Rev,2017
3. Sustainable Developmental Unit for NHS England and Public Health England. Reducing the use of natural resources in health and social care. 2018. Available from:https://networks.sustainablehealthcare.org.uk/sites/default/files/resources/20180912_Health_and_Social_Care_NRF_web.pdf(last accessed 8 January 2021).