... effect of smok-ing on COPD development. Our study highlighted theimportance of smoking c essation in t he HIV-positivepopulation in terms of improving lung function andreducing respiratory symptoms, ... signedinformed consent, filled out a questionnaire, and under-went spirometry testing. The questionnaire containedinformation on demography, respirator y symptom s, andhistory of respiratory diseases, ... Lou Y, Kvale P, Rao A, Jordan M, Miller A, Glassroth J, Reichman L,Wallace J, Hopewell P: Pulmonary function tests in HIV-infected patients without AIDS. pulmonary complications of HIV infection...