Jan G.R. Ufkes

Pharmacokinetics of methadone and its primary metabolite in 20 opiate addicts

Jan W. Vos, Jan G.R. Ufkes, H. van Wilgenburg et al. · European Journal of Clinical Pharmacology · 1995 · 92 citations

Substance Abuse, Substance Use, Psychiatry +11

<i>L</i>-Methadone and <i>D,L</i>-Methadonein Methadone Maintenance Treatment: A Comparison of Therapeutic Effectiveness and Plasma Concentrations

Jan W. Vos, Jan G.R. Ufkes, Charles D. Kaplan et al. · European Addiction Research · 1998 · 33 citations

Substance Use, Methadone Maintenance Treatment, Pharmacotherapy +21

The mechanism of action of two bradykinin-potentiating peptides on isolated smooth muscle

Jan G.R. Ufkes, P. N. AARSEN, Cornelis Van Der Meer · European Journal of Pharmacology · 1977 · 31 citations

Muscle Function, Molecular Physiology, Biochemistry +7

Structure—Activity relationships of bradykinin potentiating peptides

Jan G.R. Ufkes, Berend J. Visser, G. Heuver et al. · European Journal of Pharmacology · 1978 · 30 citations

Molecular Pharmacology, Biochemistry, Peptide Therapeutic +3

Craving despite extremely high methadone dosage

Jan W. Vos, Jan G.R. Ufkes, G.H.A. van Brussel et al. · Drug and Alcohol Dependence · 1996 · 25 citations

Substance Abuse, Substance Use, Psychiatry +9