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Figure 1: Parasternal long axis view of the aortic root in a 1000 g infant. AA: Aortic annulus, SV: Sinus of Valsalva, STJ: Sinotubular junction, PAA: Proximal ascending aorta

Figure 1: Parasternal long axis view of the aortic root in a 1000 g infant. AA: Aortic annulus, SV: Sinus of Valsalva, STJ: Sinotubular junction, PAA: Proximal ascending aorta