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Tomlinson, D., et al. Manual Assessment of QRS Duration: Importance of ECG Format and Clinical Implications in Light of Nice ICD Implantation Guidelines. 2007, pp. A11–A11.

Tomlinson, D, J Timperley, J Ehtisham, N Sabharwal, S Myerson, A Ryding, C Shirodaria, Y Bashir, and T Betts. 2007. “Manual Assessment of QRS Duration: Importance of ECG Format and Clinical Implications in Light of Nice ICD Implantation Guidelines.” In , 93:A11–A11.