00491nam a2200133Ia 4500008004100000020001800041050002300059100002500082245012800107250001200235260004900247300004100296500002000337140529s9999    xx            000 0 und d  a9780323077507  aRS 57b.Se49 2012   aSeltzer, Meta Brown.  aDrug calculations :bratio and proportion : problems for clinical practice /cMeta Brown Seltzer, Joyce M. Mulholland  a9th ed.  aSt. Louis, Mo. :bElsevier/Saunders,cc2012.  a445 p. :bill. (some col.) ;c28 cm.  aIncludes index.