13338 2 73333 document 13338 retinopathy_hes_opcs.txt text/plain 23d6d1947a7dba60f4f0233a2a5421166c928a7fe4ebf8928c69abb157ead603 SHA256 131 2023-01-26 17:53:07 https://datacompass.lshtm.ac.uk/id/eprint/3262/1/retinopathy_hes_opcs.txt 3262 1 1 text/plain Dataset en public cc_by_4

retinopathy_hes_opcs.txt

data indefinite HES procedure codes for identifying retinopathy