RT Journal Article SR Electronic T1 Benzodiazepines and pneumonia or aspiration pneumonitis JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 591 OP 591 DO 10.1136/thoraxjnl-2012-203193 VO 68 IS 6 A1 Campbell-Taylor, Irene YR 2013 UL http://thorax.bmj.com/content/68/6/591.1.abstract AB