THE EPIDEMIOLOGY OF PNEUMONIA IN CHRONIC OBSTRUCTIVE PULMONARY DISEASE (COPD): A GENERAL PRACTICE RESEARCH DATABASE (GPRD) STUDY
2007 ◽
Vol 16
(4)
◽
pp. 249-251
◽
2017 ◽
Vol 27
(1)
◽
1999 ◽
Vol 93
(12)
◽
pp. 903-908
◽
2006 ◽
Vol 130
(4)
◽
pp. 175S
◽