%0 Journal Article %T Assessment of haemorrhoidal artery network using colour duplex imaging and clinical implications %A Ratto, C %A Parello, A %A Donisi, L %A Litta, F %A Zaccone, G %A Doglietto, G B %J British Journal of Surgery %@ 0007-1323 %D 2011-10-21 %I Oxford University Press (OUP) %~ DeepDyve