1. Altmayer P, Groterath E, Lucker PW, Mayer D, von Mayers-bach H (1979) Zirkadiane Schwankungen pharmakologi-scher Parameter nach oraler Gabe von Hexobarbital. Arznei-mittelforschung 29:1422–1428
2. Bauer LA, Davis R, Wilensky A, Raisys V, Levy RH (1985) Valproic acid clearance: unbound fraction and diurnal variation in young and elderly adults. Clin Pharmacol Ther 37: 697–700
3. Beckett AH, Rowland M (1964) Rhythmic urinary excretion of amphetamine in man. Nature 204:1203–1204
4. Belanger PM (1988) Chronobiological variation in the hepatic elimination of drugs and toxic chemical agents. Annu Rev Chronopharmacol 4:1–46
5. Belanger PM, Labrecque G, Dore F (1981) Rate limiting steps in the temporal variations in the metabolism of selected drugs. Int J Chronobiol 7: 208–215