title: The 'double dutch' Doppler.
authors.affiliation: Renal Unit , Lancashire Teaching Hospitals NHS Foundation Trust , Preston , Lancashire , UK.
authors.forename: Nicos
authors.initials: N
authors.lastname: Mitsides
authors.affiliation: Renal Unit , Lancashire Teaching Hospitals NHS Foundation Trust , Preston , Lancashire , UK.
authors.forename: Peter
authors.initials: P
authors.lastname: Maginnis
authors.affiliation: Renal Unit , Lancashire Teaching Hospitals NHS Foundation Trust , Preston , Lancashire , UK.
authors.forename: Alexander
authors.initials: A
authors.lastname: Woywodt
keywords: Doppler; renal resistive index; renal transplant ultrasound