TY - BOOK AU - World Health Organization TI - The selection and use of essential medicines: report of the WHO expert committee, 2007 SN - 9789241209465 U1 - SERIALS PY - 2007/// CY - Geneva PB - World Health Organization KW - Drug Information Services KW - Drugs -Standards N1 - 15th model list of essential medicines N2 - Drugs -Standards, Drug Information Services ER -