Biomaterlals in Drug Dellvery and Tissue Engineering Langer 网Puln ee招8an3 (o 1997.71,49 AR9800993 VOL 33.NO.2.2000 ACCOUNTS OF CHEMICAL RESEARCH 101(68) Niklason, L. E.; Gao, J.; Abbot, W. M.; Hirschi, K.; Houser, S.; Marini, R.; Langer, R. Functional arteries grown in vitro. Science 1999, 284, 489-493. (69) Zund, G.; Breuer, C.; Shinoka, T.; Ma, P.; Langer, R.; Mayer J.; Vacanti, J. P. A novel approach for construction of a bioprosthetic heart valve. Eur. J. Cardio-thoracic Surg. 1997, 11, 493-497. (70) Schmidt, C. E.; Shastri, V. R.; Vacanti, J. P.; Langer, R. Stimulation of neurite outgrowth using an electrically conducting polymer, Proc. Natl. Acad. Sci. U.S.A. 1997, 94, 8948-8953. (71) Hansbrough, J. F.; Dore, R. N.; Hansbrough, W. Clinical Trials of a Living Dermal Tissue Replacement Placed beneath Meshed, Split-Thickness Skin Grafts on Excised Burn Wounds. J. Burn Care Rehab. 1992, 13, 519-529. AR9800993 Biomaterials in Drug Delivery and Tissue Engineering Langer VOL. 33, NO. 2, 2000 / ACCOUNTS OF CHEMICAL RESEARCH 101