TY - JOUR T1 - Sleep and Breathing JF - Thorax JO - Thorax SP - 159 LP - 159 DO - 10.1136/thx.40.2.159 VL - 40 IS - 2 AU - KP Y1 - 1985/02/01 UR - http://thorax.bmj.com/content/40/2/159.1.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -