TY - JOUR T1 - Adventitia JF - Thorax JO - Thorax SP - 32 LP - 32 DO - 10.1136/thx.48.1.32 VL - 48 IS - 1 AU - T B Stretton Y1 - 1993/01/01 UR - http://thorax.bmj.com/content/48/1/32.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -