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Sources of funding of UK CRN Ophthalmology portfolio studies by year between April 2010 and 31 March 2018. a Sources of funding of UK CRN Ophthalmology portfolio studies by year between April 2010 and 31 March 2018: non-commercial studies. b Sources of funding of UK CRN Ophthalmology portfolio studies by year between April 2010 and 31 March 2018: commercial studies
