Spencer M. Free

1.2k total citations · 1 hit paper
24 papers, 781 citations indexed

About

Spencer M. Free is a scholar working on Psychiatry and Mental health, Pharmacology and Molecular Biology. According to data from OpenAlex, Spencer M. Free has authored 24 papers receiving a total of 781 indexed citations (citations by other indexed papers that have themselves been cited), including 5 papers in Psychiatry and Mental health, 4 papers in Pharmacology and 3 papers in Molecular Biology. Recurrent topics in Spencer M. Free's work include Schizophrenia research and treatment (4 papers), Attention Deficit Hyperactivity Disorder (2 papers) and Pharmacology and Obesity Treatment (2 papers). Spencer M. Free is often cited by papers focused on Schizophrenia research and treatment (4 papers), Attention Deficit Hyperactivity Disorder (2 papers) and Pharmacology and Obesity Treatment (2 papers). Spencer M. Free collaborates with scholars based in United States, Canada and Belgium. Spencer M. Free's co-authors include James W. Wilson, Paul Meier, Bacon F. Chow, John Lansbury, John E. Overall, Archer P. Crosley, Ming‐Lon Young, Joseph V. Swintosky, Theodore Ellison and Morton I. Grossman and has published in prestigious journals such as American Journal of Clinical Nutrition, Technometrics and Biometrics.

In The Last Decade

Spencer M. Free

24 papers receiving 707 citations

Hit Papers

A Mathematical Contribution to Structure-Activity Studies 1964 2026 1984 2005 1964 100 200 300 400 500
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. A Mathematical Contribution to Structure-Activity Studies
    1964 598 citations Spencer M. Free, James W. Wilson Journal of Medicinal Chemistry profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Spencer M. Free United States 9 344 268 173 121 82 24 781
Bernard Testa Switzerland 17 125 0.4× 326 1.2× 190 1.1× 176 1.5× 32 0.4× 21 861
Pierre Alain Carrupt Switzerland 13 92 0.3× 161 0.6× 198 1.1× 152 1.3× 38 0.5× 15 556
Gregory W. Kauffman United States 16 353 1.0× 448 1.7× 202 1.2× 124 1.0× 97 1.2× 20 991
Charles E. Berkoff United Kingdom 10 201 0.6× 274 1.0× 164 0.9× 107 0.9× 67 0.8× 20 689
Alka Kurup United States 19 568 1.7× 390 1.5× 470 2.7× 139 1.1× 85 1.0× 32 1.1k
Alanas Petrauskas Lithuania 11 241 0.7× 211 0.8× 97 0.6× 123 1.0× 36 0.4× 13 573
Gert Strandlund Sweden 5 283 0.8× 235 0.9× 95 0.5× 186 1.5× 43 0.5× 10 608
Arthur Cammarata United States 15 250 0.7× 169 0.6× 253 1.5× 162 1.3× 61 0.7× 30 611
Luis E. Bruno‐Blanch Argentina 19 331 1.0× 405 1.5× 386 2.2× 90 0.7× 69 0.8× 47 1.0k
Remigijus Didžiapetris Lithuania 16 317 0.9× 286 1.1× 97 0.6× 132 1.1× 36 0.4× 25 726

Countries citing papers authored by Spencer M. Free

Since Specialization
Citations

This map shows the geographic impact of Spencer M. Free's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Spencer M. Free with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Spencer M. Free more than expected).

Fields of papers citing papers by Spencer M. Free

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Spencer M. Free. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Spencer M. Free. The network helps show where Spencer M. Free may publish in the future.

Co-authorship network of co-authors of Spencer M. Free

This figure shows the co-authorship network connecting the top 25 collaborators of Spencer M. Free. A scholar is included among the top collaborators of Spencer M. Free based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Spencer M. Free. Spencer M. Free is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Young, Ming‐Lon, et al.. (1987). Management of behavioral symptoms in disturbed elderly patients: comparison of trifluoperazine and haloperidol.. PubMed. 48(6). 234–6. 29 indexed citations
2.
Free, Spencer M. & John E. Overall. (1977). The brief outpatient psychopathology scale (BOPS). Journal of Clinical Psychology. 33(3). 677–688. 8 indexed citations
3.
Overall, John E. & Spencer M. Free. (1974). Subset Scaling (Subscl): Multidimensional Scaling Based On a Subset of Objects or Variables. Educational and Psychological Measurement. 34(1). 125–127. 3 indexed citations
4.
Free, Spencer M., et al.. (1971). Reduced Side Effects following Administration of a New Anorectic Agent, 4′-Chloro-2-(ethylamino)propiophenone, in Timed-Release Form. Journal of Pharmaceutical Sciences. 60(12). 1900–1903. 2 indexed citations
5.
Free, Spencer M., et al.. (1969). A Short-Cut Rule for a One-Sided Test of Hypothesis for Qualitative Data. Technometrics. 11(1). 197–200. 2 indexed citations
6.
Free, Spencer M., et al.. (1969). A Short-Cut Rule for a One-Sided Test of Hypothesis for Qualitative Data. Technometrics. 11(1). 197–197. 1 indexed citations
7.
Free, Spencer M., et al.. (1969). A New Rating Scale for Evaluating Clinical Response in Psychoneurotic Outpatients. PubMed. 9(3). 187–194. 3 indexed citations
8.
Free, Spencer M.. (1969). Factor Analysis of Outpatient Clinical Data. PubMed. 9(3). 195–199. 2 indexed citations
9.
Free, Spencer M., et al.. (1968). A Methodology Using Subjective Responses to Discriminate Between Pharmaceutical Preparations. PubMed. 8(3). 164–171. 3 indexed citations
10.
Free, Spencer M., et al.. (1967). Comparative study in man of the absorption and excretion of amobarbital-14C from sustained-release and nonsustained-release dosage forms. Journal of Pharmaceutical Sciences. 56(10). 1285–1287. 6 indexed citations
11.
12.
Ellison, Theodore, et al.. (1965). Absorption and excretion of radioactively tagged dextroamphetamine sulfate from a sustained-release preparation.. PubMed. 194(11). 1203–5. 8 indexed citations
13.
Free, Spencer M. & James W. Wilson. (1964). A Mathematical Contribution to Structure-Activity Studies. Journal of Medicinal Chemistry. 7(4). 395–399. 598 indexed citations breakdown →
14.
Meier, Paul & Spencer M. Free. (1961). Further Consideration of Methodology in Studies of Pain Relief. Biometrics. 17(4). 576–576. 12 indexed citations
15.
Bauer, Robert O., et al.. (1961). MEASUREMENT OF CHRONIC PAIN RELIEF UTILIZING DOSE RESPONSE OF DEXTROMORAMIDE AGAINST MORPHINE AND PLACEBO. Journal of Pharmacology and Experimental Therapeutics. 131(3). 373–380. 1 indexed citations
16.
Free, Spencer M.. (1959). Statistics in Clinical Chemistry. Clinical Chemistry. 5(4). 300–308. 1 indexed citations
17.
Chow, Bacon F., et al.. (1958). Absorption of Vitamin B12 Enhanced by ᴅ-Sorbitol. American Journal of Clinical Nutrition. 6(1). 30–33. 28 indexed citations
18.
Free, Spencer M., et al.. (1958). Statistical comparison of methods to evaluate analgetics. Journal of Chronic Diseases. 7(5). 379–384. 9 indexed citations
19.
Swintosky, Joseph V., et al.. (1957). Sulfaethylthiadiazole I.**Smith, Kline & French Laboratories, Philadelphia 1, Pa., and the University of Pennsylvania School of Medicine, Philadelphia. Journal of the American Pharmaceutical Association (Scientific ed ). 46(7). 399–403. 8 indexed citations
20.
Lansbury, John & Spencer M. Free. (1957). QUANTITATION OF THE ACTIVITY OF RHEUMATOID ARTHRITIS: 6. CORRELATION OF SYSTEMIC AND JOINT FINDINGS. The American Journal of the Medical Sciences. 233(4). 375–378. 14 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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