PT - JOURNAL ARTICLE AU - Macklem, P T TI - Normal and abnormal function of the diaphragm. AID - 10.1136/thx.36.3.161 DP - 1981 Mar 01 TA - Thorax PG - 161--163 VI - 36 IP - 3 4099 - http://thorax.bmj.com/content/36/3/161.short 4100 - http://thorax.bmj.com/content/36/3/161.full SO - Thorax1981 Mar 01; 36