TY - JOUR T1 - A change of (purple) heart <sup>1</sup> JF - Drug and Therapeutics Bulletin JO - Drug Ther Bull SP - 84 LP - 84 DO - 10.1136/dtb.2.21.84 VL - 2 IS - 21 A2 - , Y1 - 1964/10/16 UR - http://dtb.bmj.com/content/2/21/84.abstract N2 - The dexamphetamine and amylobarbitone tablets made by SKF (Drinamyl) will in future be circular instead of ‘heart-shaped’ (triangular) but their colour will be pale blue as before. Matching inert control tablets will be available from SKF on medical request. Tablets of Mylodex (Brook, Parker), which contain the same drugs, will unfortunately for the present continue to be heart- or kidney-shaped and mauve. ER -