Source: 10.24384/00012
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Becoming involved in pneumoconiosis research in South Wales, and work in South Wales, particularly with miners.
Work in respiratory research after South Wales, the impact of The Great Smog of London, as well as work on the effects of smoking.
Changes to medical practises and general knowledge, resulting from Fletcher’s work .
Research against smoking in detail.
Action against smoking including publishing information and reports to change public perception and knowledge.
Impact on international health policies, including in America.