TY - GEN AU - World Health Organization ED - WHO Expert Committee on Specifications for Pharmaceutical Preparations (1981 : Geneva). TI - WHO Expert Committee on Specifications for Pharmaceutical Preparations [meeting held in Geneva from 14 to 19 December 1981] : twenty-eighth report T2 - (WHO technical report series ; 681) SN - 92-4-120681-0 PY - 1982/// CY - Geneva : PB - World Health Organization KW - Pharmaceutical preparations KW - Standards ER -