1. Is there a need for more precise definitions of bioavailability?

   • L. P. Balant

   Special Article Pages: 123 - 126

2. In-patient major depression: is rolipram as effective as amitriptyline?

   • A. I. F. Scott
   • A. F. Perini
   • L. J. Whalley

   Originals Pages: 127 - 129

3. Long-term haemodynamic effects of sustained-release trimazosin at rest and during exercise in essential hypertension

   • P. Omvik
   • P. Lund-Johansen

   Originals Pages: 131 - 134

4. A dose-ranging study to evaluate the β₁-adrenoceptor selectivity of bisoprolol

   • B. J. Lipworth
   • N. A. Irvine
   • D. G. McDevitt

   Originals Pages: 135 - 139

5. Aspects of quality of life on treatment with felodipine

   • E. Dimenäs
   • M-A. Wallander
   • I. Wiklund

   Originals Pages: 141 - 147

6. Pharmacological activity and safety of trandolapril (RU 44570) in healthy volunteers

   • F. De Ponti
   • C. Marelli
   • A. Crema

   Originals Pages: 149 - 153

7. Polymorphic flecainide disposition under conditions of uncontrolled urine flow and pH

   • A. S. Gross
   • G. Mikus
   • M. Eichelbaum

   Originals Pages: 155 - 162

8. The relationships between dose and concentration of tolbutamide and insulin and glucose responses in patients with non-insulin-dependent diabetes

   • R. E. Ferner
   • M. L. Antsiferov
   • M. D. Rawlins

   Originals Pages: 163 - 168

9. Measurement of human cerebral monoamine oxidase type B (MAO-B) activity with positron emission tomography (PET): a dose ranging study with the reversible inhibitor Ro 19-6327

   • C. J. Bench
   • G. W. Price
   • R. S. J. Frackowiak

   Originals Pages: 169 - 173

10. Plasma adenosine concentrations during adenosine-induced respiratory stimulation in man

    • P. G. Reid
    • A. H. Watt
    • P. A. Routledge

    Originals Pages: 175 - 180

11. Single and multiple dose pharmacokinetics of etizolam in healthy subjects

    • C. Fracasso
    • S. Confalonieri
    • S. Caccia

    Originals Pages: 181 - 185

12. Alcohol hangover and Liv.52

    • B. L. Chauhan
    • R. D. Kulkarni

    Short Communications Pages: 187 - 188

13. Effect of Liv.52, a herbal preparation, on absorption and metabolism of ethanol in humans

    • B. L. Chauhan
    • R. D. Kulkarni

    Short Communications Pages: 189 - 191

14. Clonazepam in neonatal seizures: dose regimens and therapeutic efficacy

    • M. Andre
    • M. J. Boutroy
    • P. L. Morselli

    Short Communications Pages: 193 - 195

15. Interaction between isoniazid and valproate: a case of valproate overdosage

    • A. P. Jonville
    • A. S. Gauchez
    • M. Breteau

    Letters to the editors Pages: 197 - 198

16. Digoxin-like immunoreactive substance levels in cord blood obtained from twins

    • R. G. Morris
    • D. B. Frewin
    • W. L. Goldsworthy

    Letters to the editors Pages: 199 - 200

17. Evaluation of bioequivalence studies

    • A. P. Grieve
    • G. Pabst

    Letters to the editors Pages: 201 - 202

18. Reply to the comments of Dr. Grieve

    • G. Pabst

    Letters to the editors Pages: 202 - 203

19. Announcements

    Announcement Pages: 204 - 204