Functional claudication distance: a reliable and valid measurement to assess functional limitation in patients with intermittent claudication

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Lotte M Kruidenier, Saskia PA Nicolaï, Edith M Willigendael, Rob A de Bie, Martin H Prins and Joep AW Teijink^*

BMC Cardiovascular Disorders 2009, 9:9 doi:10.1186/1471-2261-9-9