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APA Citation
Rickers, C., Hamm, C., Stern, H., Hofmann, T., Franzen, O., Schräder, R., Sievert, H., Schranz, D., Michel-Behnke, I., Vogt, J., Kececioglu, D., Sebening, W., Eicken, A., Meyer, H., Matthies, W., Kleber, F., Hug, J., & Weil, J. (1998). percutaneous closure of secundum atrial septal defect with a new self centring device ("angel wings"). Heart, 80(5), 517–521. http://access.bl.uk/ark:/81055/vdc_100135177086.0x00001a