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a Schematic of the artificial placenta with V–V ECLS configuration; b Photo of an extremely premature sheep supported by the V–V ECLS artificial placenta. Ao: aorta; DV: ductus venosus; IJV: internal jugular vein; IVC: inferior vena cava; RA: right atrium; SVC: superior vena cava. a Reproduced with permission from
Church et al. [46] (License number 4930520731885). b Original unpublished image
