APA
Collins S. M., Brorsson B., Svenmarker S., Kling P. A. & Aberg T. (20030303). Medium-term survival and quality of life of Swedish octogenarians after open-heart surgery. : European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery.
Chicago
Collins Sonia Maria, Brorsson Bengt, Svenmarker Staffan, Kling Per Arne and Aberg Torkel. 20030303. Medium-term survival and quality of life of Swedish octogenarians after open-heart surgery. : European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery.
Harvard
Collins S. M., Brorsson B., Svenmarker S., Kling P. A. and Aberg T. (20030303). Medium-term survival and quality of life of Swedish octogenarians after open-heart surgery. : European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery.
MLA
Collins Sonia Maria, Brorsson Bengt, Svenmarker Staffan, Kling Per Arne and Aberg Torkel. Medium-term survival and quality of life of Swedish octogenarians after open-heart surgery. : European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery. 20030303.