title: Letter to the Editor: re: Body physique and heart rate variability determine the occurrence of stair-step artefacts in 64-slice CT coronary angiography with prospective ECG-triggering.
authors.forename: Felipe S
authors.initials: FS
authors.lastname: Torres
authors.forename: Andrew M
authors.initials: AM
authors.lastname: Crean
authors.forename: Narinder
authors.initials: N
authors.lastname: Paul
mesh_terms: D016477:Artifacts; D001824:Body Constitution; D055424:Cardiac-Gated Imaging Techniques / Q000379:methods*; D017023:Coronary Angiography / Q000379:methods*; D003324:Coronary Artery Disease / Q000000981:diagnostic imaging*; D005260:Female; D006339:Heart Rate; D006801:Humans; D008297:Male; D008875:Middle Aged; D011856:Radiographic Image Enhancement / Q000379:methods; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity; D014057:Tomography, X-Ray Computed / Q000379:methods*