RT Journal Article SR Electronic T1 Single versus combination antibiotic therapy in adults hospitalised with community-acquired pneumonia JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 1068 OP 1068 DO 10.1136/thoraxjnl-2013-203994 VO 68 IS 11 A1 M M van der Eerden A1 W G Boersma YR 2013 UL http://thorax.bmj.com/content/68/11/1068.2.abstract AB