@software{mark_lunt_2018_1313712, author = {Mark Lunt and Stephen Pye and Mohammad Movahedi and Ruth Costello}, title = {{DrugPrep (STATA) : An algorithm to transform raw CPRD prescriptions data into formatted analysis- ready drug exposure data.}}, month = jul, year = 2018, publisher = {Zenodo}, version = {v2.0.0}, doi = {10.5281/zenodo.1313712}, url = {https://doi.org/10.5281/zenodo.1313712} }