Parens, Erik. Enhancing human traits : ethical and social implications/ Erik Parens editor. - Washington, DC : Georgetown Univ. Press, - x, 258 Seiten : 24 cm. - Hastings Center studies in ethics. . includes index ISBN: 9780878407804 Subjects--Topical Terms: Beauty Behavior Bioethics LC Class. No.: RA418.5 / ENH 1969