jraas-2018-0006-File004_Supplementary – Supplemental material for Association of angiotensin-converting enzyme gene I/D polymorphism with chronic obstructive pulmonary disease: a meta-analysis

Supplemental material, jraas-2018-0006-File004_Supplementary for Association of angiotensin-converting enzyme gene I/D polymorphism with chronic obstructive pulmonary disease: a meta-analysis by Guodong Xu, Guohui Fan, Yingtong Sun, Lili Yu, Sinan Wu and Wenquan Niu in Journal of the Renin-Angiotensin-Aldosterone System