The selection and use of essential medicines : report of the WHO Expert Committee, 23 (including the 13th model list of essential medicines) - Geneva : World Health Organization, 2004. - vi, 127 p. ; - WHO technical report series ; . 0-0- ISBN: GOVT-DOC2970 Subjects--Topical Terms: Drugs.-----0-0-0 Dewey Class. No.: 615.1 / Se