547,482 DIFFICULT Difficult decisions in medical ethics : the fourth volume in a series on Ethics, Humanism, and Medicine : Proceedings of the Eighth and Ninth Conferences on Ethics, Humanism and Medicine held in 1981 and 1982 at the University of Michigan, Ann Arbor / ed. Doreen Ganos [et al.]. - New York : Alan R. Liss, Inc., [1983]. - XVII, [1], 236, [4] s. : wykr. ; 24 cm (Progress in Clinical and Biological Research ; vol. 139 : Ethics, Humanism and Medicine ; vol. ISBN 0-8451-0139-0