005170000a22001450004500003000900000005001700009110007300026245010400099562004100203264004900244300000800293041000800301650003000309650003200339PH-MaWHO20241108112306.0 aWorld Health Organization. Division of Drug Management and Policies. aGeneral recommendations for the preparation and use of infrared spectra in pharmaceutical analysis. aWHO/PHARM/92.560/rev.1.--Unpublished aGeneva : bWorld Health Organization,c1992. a5p. aeng aDrugxEvaluationxMethods aSpectrophotometry, Infrared