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Hematoxylin and eosin–stained longitudinal section of tube of granulation tissue after 2 weeks of growth in a rat. Arrow indicates side from which silicone tubing was removed (magnification ×300). (Used by permission from Campbell, J.H., Efendy, J.L., and Campbell, G.R. Novel vascular graft grown within recipient's own peritoneal cavity. Circ Res 85, 1173, 1999.) Color images available online at www.liebertpub.com/ten.
