TY - JOUR T1 - Non-equivalent preparations of the same drug (Aug. 13 1971, p. 67) addenda: digoxin JF - Drug and Therapeutics Bulletin JO - Drug Ther Bull SP - 104 LP - 104 DO - 10.1136/dtb.9.26.104 VL - 9 IS - 26 A2 - , Y1 - 1971/12/17 UR - http://dtb.bmj.com/content/9/26/104.1.abstract N2 - Two different commercial preparations of tablets containing 0.25 mg were compared in a crossover study in 19 elderly inpatients. Serum digoxin concentrations differed consistently on the two preparations. (Manninen, V. et al. Lancet 1971, ii, 934). ER -