| # | Title | Journal | Year | Citations |
|---|
| 1 | Cord serum cotinine as a biomarker of fetal exposure to cigarette smoke at the end of pregnancy. | Environmental Health Perspectives | 2000 | 115 |
| 2 | Pharmacokinetics and cytokine production in heroin and morphine-treated mice | International Journal of Immunopharmacology | 2000 | 103 |
| 3 | Simultaneous liquid chromatographic assessment of thiamine, thiamine monophosphate and thiamine diphosphate in human erythrocytes: a study on alcoholics | Journal of Chromatography B: Analytical Technologies in the Biomedical and Life Sciences | 2003 | 77 |
| 4 | Cytokine Production in Blood Mononuclear Cells from Epileptic Patients | Epilepsia | 1995 | 69 |
| 5 | High-performance liquid chromatographic-electrospray mass spectrometric determination of morphine and its 3- and 6-glucuronides: application to pharmacokinetic studies | Biomedical Applications | 1995 | 68 |
| 6 | Simultaneous Determination of Heroin, 6-Monoacetylmorphine, Morphine, and its Glucuronides by Liquid Chromatography-Atmospheric Pressure Ionspray-Mass Spectrometry | Journal of Analytical Toxicology | 1997 | 68 |
| 7 | Simultaneous determination of epirubicin, doxorubicin and their principal metabolites in human plasma by high-performance liquid chromatography and electrochemical detection | Biomedical Applications | 1998 | 63 |
| 8 | Development and validation of a liquid chromatography–mass spectrometry assay for the determination of opiates and cocaine in meconium | Journal of Chromatography B: Analytical Technologies in the Biomedical and Life Sciences | 2003 | 60 |
| 9 | Hair analysis for nicotine and cotinine: evaluation of extraction procedures, hair treatments, and development of reference material | Forensic Science International | 1997 | 59 |
| 10 | Nickel metabolism in humans investigated with an oral stable isotope | American Journal of Clinical Nutrition | 1997 | 52 |
| 11 | Rapid screening method for determination of Ecstasy and amphetamines in urine samples using gas chromatography–chemical ionisation mass spectrometry | Journal of Chromatography B: Analytical Technologies in the Biomedical and Life Sciences | 2002 | 50 |
| 12 | Acute effects of 3,4-methylenedioxymethamphetamine alone and in combination with ethanol on the immune system in humans | Journal of Pharmacology and Experimental Therapeutics | 2001 | 50 |
| 13 | How the steady-state cotinine concentration in cigarette smokers is directly related to nicotine intake | Clinical Pharmacology and Therapeutics | 1992 | 47 |
| 14 | Assessment of chronic exposure to cigarette smoke and its change during pregnancy by segmental analysis of maternal hair nicotine | Journal of Exposure Science and Environmental Epidemiology | 2003 | 47 |
| 15 | Cell‐Mediated Immune Response in MDMA Users After Repeated Dose Administration | Annals of the New York Academy of Sciences | 2002 | 47 |
| 16 | Immunosuppression and oxidative stress induced by acute and chronic exposure to cocaine in rat | International Immunopharmacology | 2003 | 46 |
| 17 | Immunologic Aspects of Carbamazepine Treatment in Epileptic Patients | Epilepsia | 1991 | 45 |
| 18 | The analysis of nicotine in infants' hair for measuring exposure to environmental tobacco smoke | Forensic Science International | 1997 | 44 |
| 19 | Improved enantioselective assay for the determination of fluoxetine and norfluoxetine enantiomers in human plasma by liquid chromatography | Journal of Chromatography B: Analytical Technologies in the Biomedical and Life Sciences | 2003 | 44 |
| 20 | Effect of morphine and methadone acute treatment on immunological activity in mice: pharmacokinetic and pharmacodynamic correlates | Journal of Pharmacology and Experimental Therapeutics | 1994 | 43 |
| 21 | Effects of repeated doses of MDMA (“Ecstasy”) on cell-mediated immune response in humans | Life Sciences | 2001 | 42 |
| 22 | Ethanol in Biological Fluids: Headspace GC Measurement | Journal of Analytical Toxicology | 1995 | 41 |
| 23 | Macrophage functions in drugs of abuse-treated mice | International Journal of Immunopharmacology | 1993 | 37 |
| 24 | The role of liquid chromatography-mass spectrometry in the determination of heroin and related opioids in biological fluids | International Journal of Immunopharmacology | 1999 | 37 |
| 25 | Immunomodulating properties of MDMA alone and in combination with alcohol: A pilot study | Life Sciences | 1999 | 37 |
| 26 | Determination of Opiates and Cocaine in Hair as Trimethylsilyl Derivatives Using Gas Chromatography-Tandem Mass Spectrometry | Journal of Analytical Toxicology | 1999 | 32 |
| 27 | Lamotrigine Hypersensitivity in Childhood Epilepsy | Epilepsia | 1998 | 27 |
| 28 | Immunomodulating Activity of MDMA | Annals of the New York Academy of Sciences | 2000 | 26 |
| 29 | Morphine affects cytostatic activity of macrophages by the modulation of nitric oxide release | International Journal of Immunopharmacology | 1995 | 25 |
| 30 | Simultaneous determination of cotinine and trans-3′-hydroxycotinine in human serum by high-performance liquid chromatography | Biomedical Applications | 1992 | 22 |
| 31 | Personality, Endocrine and Immune Changes after Eight Months in Healthy Individuals under Normal Daily Stress | Psychotherapy and Psychosomatics | 1994 | 19 |
| 32 | Determination of membrane cholesterol in normal and pathological red blood cells | Clinica Chimica Acta | 1991 | 18 |
| 33 | Elimination of caffeine interference in high-performance liquid chromatographic determination of cotinine in human plasma | Biomedical Applications | 1991 | 16 |
| 34 | Determination of lorazepam in plasma and urine as trimethylsilyl derivative using gas chromatography–tandem mass spectrometry | Biomedical Applications | 1999 | 16 |
| 35 | Simple and reliable high-performance liquid chromatography fluorimetric procedure for the determination of amphetamine-derived designer drugs | Biomedical Applications | 1999 | 15 |
| 36 | Modified procedure for labelling target cells in a europium release assay of natural killer cell activity | Journal of Immunological Methods | 1993 | 13 |
| 37 | Immunological Consequences of Zidovudine Treatment in Control and Morphine or Methadone Treated Mice | Immunopharmacology and Immunotoxicology | 1992 | 12 |
| 38 | Immunologic Aspects of Vigabatrin Treatment in Epileptic Children | Epilepsia | 1995 | 11 |
| 39 | Cytokine production in saquinavir treated mice | International Journal of Immunopharmacology | 1997 | 10 |
| 40 | Issues in Methodology and Applications for Therapeutic Drug Monitoring of Fluoxetine and Norfluoxetine Enantiomers | Therapeutic Drug Monitoring | 1998 | 9 |
| 41 | On-site testing of 3,4-methylenedioxymethamphetamine (ecstasy) in saliva with Drugwipe and Drugread: a controlled study in recreational users | Clinical Chemistry | 2002 | 7 |
| 42 | Improved clean-up procedure for the high-performance liquid chromatographic assay of clomipramine and its demethylated metabolite in human plasma | Biomedical Applications | 1995 | 6 |
| 43 | Mitochondrial aspartate aminotransferase isoenzyme: A biochemical marker for the clinical management of alcoholics? | Clinica Chimica Acta | 1997 | 6 |
| 44 | A highly sensitive chemiluminescent assay for glycerylphosphorylcholine in human seminal plasma | Clinical Biochemistry | 1991 | 5 |
| 45 | ANALYSIS OF OPIATES IN HUMAN HAIR BY HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY | Journal of Liquid Chromatography and Related Technologies | 1999 | 5 |
| 46 | DETERMINATION OF FAT-SOLUBLE NUTRIENTS IN SERUM BY LIQUID CHROMATOGRAPHY AND MULTIWAVELENGTH DETECTION | Journal of Liquid Chromatography and Related Technologies | 2002 | 5 |
| 47 | Immunomodulating properties of carbamazepine in mice | International Journal of Immunopharmacology | 1992 | 3 |
| 48 | Influence of antacids on the bioavailability of glibenclamide | Drugs Under Experimental and Clinical Research | 1989 | 2 |
| 49 | 199 THERAPEUTIC DRUG MONITORING IN THE ELDERLY | Therapeutic Drug Monitoring | 1995 | 1 |
| 50 | Use of particle beam liquid chromatography electron impact mass spectrometry for measurement of busulphan in cerebrospinal fluid | Pharmacological Research | 1992 | 0 |
