A. Salihu, I. C. Windheuser, J. Wacker, M. Gloekler, and S. Di Bernardo, “Use of ultrasound for vascular access during cardiac catheterisation in children with congenital heart disease: a Swiss multicentre cohort study”, Swiss Med Wkly, vol. 154, no. 9, p. 3575, Sep. 2024.