PT - JOURNAL ARTICLE AU - Bjarne Fretheim TI - The So-called Middle Lobe Syndrome AID - 10.1136/thx.7.2.156 DP - 1952 Jun 01 TA - Thorax PG - 156--158 VI - 7 IP - 2 4099 - http://thorax.bmj.com/content/7/2/156.short 4100 - http://thorax.bmj.com/content/7/2/156.full SO - Thorax1952 Jun 01; 7