1. Biguanides

   • M. Nattrass
   • K. G. M. M. Alberti

   Editorial Pages: 71 - 74

2. Lactic acidosis in biguanide-treated diabetics

   • D. Luft
   • R. M. Schmülling
   • M. Eggstein

   Originals Pages: 75 - 87

3. The effect of short-term administration of antidiabetic biguanide derivatives on the blood lactate levels in healthy subjects

   • A. Czyżyk
   • B. Lao
   • K. Orłowska

   Originals Pages: 89 - 94

4. Blood lactate and pyruvate levels in diabetic patients treated with biguanides with and without sulphonylureas

   • A. K. Waters
   • D. B. Morgan
   • J. K. Wales

   Originals Pages: 95 - 98

5. Change of insulin dosage, circulating free and bound insulin and insulin antibodies on transferring diabetics from conventional to highly purified porcine insulin

   • C. M. Asplin
   • M. Hartog
   • D. J. Goldie

   Originals Pages: 99 - 105

6. Early arterial lesions in maturity onset diabetes mellitus detected by an ultrasonic technique

   • S. A. Cairns
   • J. P. Woodcock
   • A. J. Marshall

   Originals Pages: 107 - 111

7. Peripheral nerves in early experimental diabetes

   • J. Jakobsen

   Originals Pages: 113 - 119

8. Ambiguous effects of colchicine and vincristine upon A₂-cell response to arginine

   • R. Assan
   • E. Soufflet
   • J. R. Girard

   Originals Pages: 121 - 127

9. Age dependent effects of oxytetracycline in ob/ob mice

   • P. U. Dubuc
   • P. L. Willis

   Originals Pages: 129 - 133

10. The effect of insulin on pyruvate dehydrogenase interconversion in heart muscle of alloxan-diabetic rats

    • J. Ohlen
    • E. A. Siess
    • O. H. Wieland

    Originals Pages: 135 - 139

11. Organization section

    Announcement Pages: 140 - 140