A. D Douglas, J Jefferis, R Sharma, R Parker, A Handa and J. Chantler
Angiology 60 ( 3 ): 358 - 361 , 2009
M Temple Smith, C Hopkins, C Fairley, J Tomnay, N Pavlin, R Parker, D Russell, F Bowden, J Hocking, M Pitts and M. Chen
Family Practice 27 ( 4 ): 418 - 423 , 2010