Concepedia
American Heart Journal · 2005 · 199 citations · 27 references
MedicineCardiologySurgeryReconstructive Surgery
27
Randomized, Controlled Trials, Observational Studies, and the Hierarchy of Research Designs
John Concato, Nirav R. Shah, Ralph I. Horwitz · New England Journal of Medicine · 2000 · 3.5K citations · Full text
A Comparison of Observational Studies and Randomized, Controlled Trials
Kjell Benson, Arthur J. Hartz · New England Journal of Medicine · 2000 · 2.3K citations
Comparison between transcatheter and surgical closure of secundum atrial septal defect in children and adults
Zhong‐Dong Du, Ziyad M. Hijazi, Charles S. Kleinman et al. · Journal of the American College of Cardiology · 2002 · 946 citations
Cardiac Anaesthesia, Pediatrics, Pediatric Cardiac Surgery +4
Long-Term Outcome after Surgical Repair of Isolated Atrial Septal Defect
Joseph G. Murphy, Bernard J. Gersh, Michael D. McGoon et al. · New England Journal of Medicine · 1990 · 775 citations
Secundum Atrial Septal Defect
Terry D. King · JAMA · 1976 · 652 citations
Atrial Septal Defect, Heart Failure, Pediatric Heart Disease +9