TY - JOUR T1 - THE SMALL PULMONARY BLOOD VESSELS IN ATRIAL SEPTAL DEFECT JF - British Heart Journal JO - Heart SP - 327 LP - 332 DO - 10.1136/hrt.19.3.327 VL - 19 IS - 3 AU - Donald Heath AU - William Whitaker Y1 - 1957/07/01 UR - http://heart.bmj.com/content/19/3/327.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -