DOI:
10.1055/s-00000104
Zentralblatt für Chirurgie - Zeitschrift für Allgemeine, Viszeral-, Thorax- und Gefäßchirurgie
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References
Sutherland ER.
Sham procedure versus usual care as the control in clinical trials of devices: which is better?.
Proc Am Thorac Soc 2007;
4: 574-576
DOI: 10.1513/pats.200707-090JK.
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