Purtilo, Ruth B. Ethical dimensions in the health professions / Ruth B. Purtilo, Christine K. Cassel. - Philadelphia : Saunders, 1981. - xv, 224 p. ; 24 cm. ISBN: 0721674119 LCCN: 80052775 LC Class. No.: R724 / .P82 Dewey Class. No.: 174/.2