Doppler ultrasound surveillance of recently formed haemodialysis arteriovenous fistula: the SONAR observational cohort study oleh James Richards, Dominic Summers, Anna Sidders, Elisa Allen, Mohammed Ayaz Hossain, Subhankar Paul, Matthew Slater, Matthew Bartlett, Regin Lagaac, Emma Laing, Valerie Hopkins, Chloe Fitzpatrick-Creamer, Cara Hudson, Joseph Parsons, Samuel Turner, Andrew Tambyraja, Subash Somalanka, James Hunter, Sam Dutta, Neil Hoye, Sarah Lawman, Tracey Salter, Mohammed Farid Aslam, Atul Bagul, Rajesh Sivaprakasam, George E Smith, Helen L Thomas, Zia Moinuddin, Simon R Knight, Nicholas Barnett, Reza Motallebzadeh, Gavin J Pettigrew