Community determinants of COPD exacerbations in elderly...

BMJ Open 2019 / 06 Vol. 9; Iss. 6

Community determinants of COPD exacerbations in elderly patients in Poland: protocol for a retrospective Big Data observational cohort study

Zakowska, Izabela, Kosiek, Katarzyna, Kowalczyk, Anna, Grabowski, Jacek, Godycki-Cwirko, Maciek
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Volume:
9
Language:
english
Journal:
BMJ Open
DOI:
10.1136/bmjopen-2019-030524
Date:
June, 2019
File:
PDF, 231 KB
english, 2019
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