Psychometric analysis of clinical chronic obstructive pulmonary disease questionnaire and chronic obstructive pulmonary disease assessment test and its correlation with St. George... oleh Syed Aamir Ali, Hajera Saniya, Khaja Naseeruddin, Sabiha Naaz Sana, Talath Fatima, Syed Mahmood Ahmed, Aleemuddin Naveed Mohd, Ashfaq Hasan, Fahad Abdullah