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. 2017 Jan 16;19:5. doi: 10.1186/s12968-016-0319-1

Fig. 2.

Fig. 2

Objects investigated in flow phantom. a. Metal-free aortic valve shaped inlay, containing solely plastics. b. Biological aortic valve prosthesis, containing metal-stent. c. Biological aortic valve prosthesis, containing metal-stent. d. Mechanical aortic valve prosthesis, containing carbon