PT - JOURNAL ARTICLE AU - Siddiqui, Mumtaz A. TI - Atrial septal defects DP - 1994 Nov 01 TA - Cleveland Clinic Journal of Medicine PG - 473--473 VI - 61 IP - 6 4099 - http://www.ccjm.org/content/61/6/473.1.short 4100 - http://www.ccjm.org/content/61/6/473.1.full SO - Cleve Clin J Med1994 Nov 01; 61