TY - JOUR T1 - Normal and abnormal function of the diaphragm. JF - Thorax JO - Thorax SP - 161 LP - 163 DO - 10.1136/thx.36.3.161 VL - 36 IS - 3 AU - P T Macklem Y1 - 1981/03/01 UR - http://thorax.bmj.com/content/36/3/161.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -