RT Journal Article SR Electronic T1 Hot tub Legionella pneumonia outbreak JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 1379 OP 1381 DO 10.1183/09031936.00005114 VO 44 IS 5 A1 Maryam Ahmed A1 Naveed Mustfa YR 2014 UL http://erj.ersjournals.com/content/44/5/1379.abstract AB