External validation of a COPD prediction model using population-based primary care data: a nested case-control study
Crossref DOI link: https://doi.org/10.1038/srep44702
Published Online: 2017-03-17
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Nwaru, Bright I
Simpson, Colin R
Sheikh, Aziz
Kotz, Daniel
Text and Data Mining valid from 2017-03-17
Version of Record valid from 2017-03-17
Article History
Received: 3 October 2016
Accepted: 13 February 2017
First Online: 17 March 2017
Competing interests
: The authors declare no competing financial interests.