TY - JOUR T1 - The Frequency of Influenza and Pneumococcal Vaccination in COPD AU - Özsu, Savaş AU - Uçar, Ergün AU - Arslan, Yakup AU - Maden, Emin AU - Bilgiç, Hayati Y1 - 2011 PY - 2011 DA - 2011 N1 - doi: 10.5505/solunum.2011.88155 DO - 10.5505/solunum.2011.88155 T2 - Eurasian Journal of Pulmonology JF - Eurasian Journal of Pulmonology JO - Eurasian J Pulmonol SP - 21 EP - 25 VL - 13 IS - 1 SN - M3 - doi: 10.5505/solunum.2011.88155 UR - https://dx.doi.org/10.5505/solunum.2011.88155 Y2 - 2011 ER -