Drummond, Michael. Principles of economic appraisal in health care / M. F. Drummond. - Oxford ;;New York : Oxford University Press, 1980 - xvi, 132 p. : ill. 22 cm. ISBN: 0192612735 (pbk.) : Nat. Bib. No.: GB80 Subjects--Topical Terms: Medical care LC Class. No.: RA410.5 / .D78 1980 Dewey Class. No.: 362.1/068