39203document8314Smoking_status_readcodes.txttext/plain481e26448279b1fcd2230a3083e773becf6c275a432c1e1b6f1afc72fe0a2f33SHA25697612020-03-31 10:42:33https://datacompass.lshtm.ac.uk/id/eprint/1690/1/Smoking_status_readcodes.txt