%0 Journal Article %T A comparison of a short half‐life marker (low‐dose isoniazid), a long half‐life pharmacological indicator (low‐dose phenobarbitone) and measurements of a controlled release ‘therapeutic drug’ (metoprolol, Metoros) in reflecting incomplete compliance by volunteers. %A Hardy, E %A Kumar, S %A Peaker, S %A Feely, M %A Pullar, T %J British Journal of Clinical Pharmacology %V 30 %N 3 %P 437-441 %@ 0306-5251 %D 1990-09-01 %I Wiley Subscription Services, Inc., A Wiley Company %~ DeepDyve