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2. Variability of Doppler ankle pressures with arterial occlusive disease: an evaluation of ankle index and brachial-ankle pressure gradient;Baker;Surgery,1981
3. Theoretical analysis of non-invasive oscillometric maximum amplitude algorithm for estimating mean blood pressure;Baker;Med & Biol Eng & Comput,1997
4. Statistical methods for assessing agreement between two methods of clinical measurement;Bland;Lancet,1986
5. Ankle blood pressure measurement, an acceptable alternative to arm measurements;Block;Int J Clin Monit Comput,1996