TY - JOUR T1 - ATRIAL SEPTAL DEFECT JF - British Heart Journal JO - Heart SP - 277 LP - 292 DO - 10.1136/hrt.12.3.277 VL - 12 IS - 3 AU - J. M. Barber AU - O. Magidson AU - Paul Wood Y1 - 1950/07/01 UR - http://heart.bmj.com/content/12/3/277.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -