Cross-Sectional Study of Chronic Obstructive Pulmonary Disease Prevalence Among Smokers, Ex-Smokers, and Never-Smokers in Almaty, Kazakhstan: Study Protocol
Cross-Sectional Study of Chronic Obstructive Pulmonary Disease Prevalence Among Smokers, Ex-Smokers, and Never-Smokers in Almaty, Kazakhstan: Study Protocol
Almaz Sharman
1
, MD, PhD
;
Baurzhan Zhussupov
1
, MSc Epi
;
Dana Sharman
1
, MPH, MD
;
Assel Stambekova
1
, MD
;
Sattar Yeraliyev
1
, MD
1
Kazakhstan Academy оf Preventive Medicine
,
Almaty
,
KZ