| 1 | A mouse model for β-thalassemia | Cell | 1983 | 216 |
| 2 | Free-base cocaine smoking | Clinical Pharmacology and Therapeutics | 1982 | 137 |
| 3 | Use of intracranial self‐stimulation to evaluate abuse‐related and abuse‐limiting effects of monoamine releasers in rats | British Journal of Pharmacology | 2013 | 108 |
| 4 | Collection and Analysis of Trace Organic Vapor Pollutants in Ambient Atmospheres. the Performance of a Tenax gc Cartridge Sampler for Hazardous Vapors | Analytical Letters | 1976 | 105 |
| 5 | Base metal‐catalyzed hydrogen isotope exchange | Journal of Labelled Compounds and Radiopharmaceuticals | 2020 | 57 |
| 6 | In vivo pharmacological interactions between a type II positive allosteric modulator of α7 nicotinic ACh receptors and nicotinic agonists in a murine tonic pain model | British Journal of Pharmacology | 2013 | 47 |
| 7 | Affinity of aporphines for the human 5-HT2A receptor: Insights from homology modeling and molecular docking studies | Bioorganic and Medicinal Chemistry | 2010 | 34 |
| 8 | Assessment of ethylene glycol monobutyl and monophenyl ether reproductive toxicity using a continuous breeding protocol in Swiss CD-1 mice | Fundamental and Applied Toxicology | 1990 | 29 |
| 9 | High Potency Cocaine Analogs: Neurochemical, Imaging, and Behavioral Studies | Annals of the New York Academy of Sciences | 1992 | 29 |
| 10 | Hematology of a Murine ?-Thalassemia: A Longitudinal Study | Annals of the New York Academy of Sciences | 1985 | 27 |
| 11 | A new assay and solubilization procedure for steroid 17,20-lyase from rat testes | Steroids | 1982 | 26 |
| 12 | Structure and conformation of cis and trans-3,5-dimethylvalerolactones | Tetrahedron Letters | 1970 | 25 |
| 13 | Pharmacological comparison of R(+), S(−) and racemic secobarbital in mice | European Journal of Pharmacology | 1970 | 25 |
| 14 | Neutral antagonist activity of naltrexone and 6β‐naltrexol in naïve and opioid‐dependent C6 cells expressing a µ‐opioid receptor | British Journal of Pharmacology | 2009 | 24 |
| 15 | Application of High Speed Countercurrent Chromatography/Thermospray Mass Spectrometry for the Analysis of Bio-Active Triterpenoic Acids from Boswellia Carterh | Journal of Liquid Chromatography and Related Technologies | 1990 | 22 |
| 16 | Synthesis of Morphine-3-Glucuronide | Synthetic Communications | 1975 | 21 |
| 17 | Anti‐nociception mediated by a κ opioid receptor agonist is blocked by a δ receptor agonist | British Journal of Pharmacology | 2015 | 17 |
| 18 | X-ray-induced specific-locus mutation in the ad-3 region of two-component heterokaryons of Neurospora crassa | Mutation Research - Fundamental and Molecular Mechanisms of Mutagenesis | 1990 | 16 |
| 19 | Antigens from synthetic and natural estrogens: Formation by conjugation with protein through a thiopropionic acid link | Life Sciences | 1974 | 15 |
| 20 | Vinyl-hydrogen ligand exchange on silicon | Journal of Organometallic Chemistry | 1967 | 14 |
| 21 | 13C13C dipolar interactions as a relaxation mechanism | Journal of Magnetic Resonance | 1974 | 11 |
| 22 | Antibodies: a rich source of novel chemical agents for pharmacological studies | Trends in Pharmacological Sciences | 1988 | 11 |
| 23 | Synthesis of a radiotracer for studying σ receptors in vivo using PET: (+)-N-[11C]-benzyl-N-normetazocine (1S, 5S,9S-(+)-cis-2-[11C]-2′-hydroxy-5,9-dimethyl-6,7-benzomorphan) | Journal of Labelled Compounds and Radiopharmaceuticals | 1994 | 11 |
| 24 | The preparation of 3α- and 3β, 17β-dihydroxy-17α-ethynyl-estr-5(10)-ene 1 | Steroids | 1969 | 10 |
| 25 | Evaluation of Tenax Gc Sorbent ForIN SITUFormation of N-Nitrosodimethylamine | Analytical Letters | 1978 | 9 |
| 26 | SYNTHESIS OF (+)-9-O-DESMETHYL-α-DIHYDROTETRABENAZINE, PRECURSOR FOR THE HIGH AFFINITY VMAT2 IMAGING PET RADIOLIGAND [11C]-(+)-α-DIHYDROTETRABENAZINE | Organic Preparations and Procedures International | 2008 | 9 |
| 27 | Aporphinoid Antagonists of 5‐HT2A Receptors: Further Evaluation of Ring A Substituents and the Size of Ring C | Chemical Biology and Drug Design | 2014 | 9 |
| 28 | Nicotine Enhances the Hypnotic and Hypothermic Effects of Alcohol in the Mouse | Alcoholism: Clinical and Experimental Research | 2016 | 9 |
| 29 | The addition of nitrosyl fluoride to steroid 9(11)-olefins (1) | Steroids | 1969 | 6 |
| 30 | DL-4-ACETAMIDO-4-HYDROXY-2-BUTENOIC ACID γ-LACTONE | Organic Preparations and Procedures | 1970 | 6 |
| 31 | Pharmacokinetic and tissue distribution study of [14C]fluasterone in male Beagle dogs following intravenous, oral and subcutaneous dosing routes | Chemico-Biological Interactions | 2010 | 6 |
| 32 | Synthesis of some radiolabeled 17α-ethynyl-19-nor steroids | Journal of Labelled Compounds | 1971 | 5 |
| 33 | Two Dimensional Gas-Liquid Chromatography of Clofibrate in Plasma | Analytical Letters | 1978 | 5 |
| 34 | Synthesis of position-specific tritium-labeled 20(S)-camptothecin, 9-amino-20(S)-camptothecin, and 10,11-methylenedioxy-20(S)-camptothecin | Journal of Labelled Compounds and Radiopharmaceuticals | 1993 | 5 |
| 35 | Spin-lattice relaxation time and NOE measurements of urea in water and in dimethyl sulfoxide | Journal of Magnetic Resonance | 1976 | 4 |
| 36 | Synthesis of high specific activity R-and S- warfarin-3H | Journal of Labelled Compounds and Radiopharmaceuticals | 1979 | 4 |
| 37 | Circular dichroism properties of (3S,5R)-cis- and (3S,5S)-trans-3,5-dimethylvalerolactones | Tetrahedron Letters | 1971 | 3 |
| 38 | Attenuated nicotine‐like effects of varenicline but not other nicotinic ACh receptor agonists in monkeys receiving nicotine daily | British Journal of Pharmacology | 2016 | 3 |
| 39 | Synthesis of 14C and 3H labeled arabinosyl-5-azacytosine | Journal of Labelled Compounds and Radiopharmaceuticals | 1988 | 2 |
| 40 | Potential Iwternal Standards for the Reversed-Phase High Performance Liquid Chromatography Analysis of Thyroidal Amino Acids | Analytical Letters | 1982 | 1 |
| 41 | Hydrogen isotope exchange labelling: A brief update | Journal of Labelled Compounds and Radiopharmaceuticals | 2020 | 1 |
| 42 | The synthesis of 6-chloro-17-hydroxypregna-4,6-diene-3,20-dione-4−14c acetate (chlormadinone-4−14C acetate) | Journal of Labelled Compounds | 1971 | 0 |
| 43 | Defining the Critical Phase | Journal of the American College of Toxicology | 1984 | 0 |
| 44 | Survey of the QA Profession | Journal of the American College of Toxicology | 1990 | 0 |
| 45 | Antagonism of the hypothermic effects of nicotinic receptor ligands in mice | FASEB Journal | 2012 | 0 |
| 46 | Strategies for the Use of a Multiple-Endpoint System for Mammalian Germ Cell Mutation Testing | | 1994 | 0 |
