John A. Callahan

About

John A. Callahan is a scholar working on Cardiology and Cardiovascular Medicine, Epidemiology and Surgery. According to data from OpenAlex, John A. Callahan has authored 46 papers receiving a total of 1.4k indexed citations (citations by other indexed papers that have themselves been cited), including 21 papers in Cardiology and Cardiovascular Medicine, 13 papers in Epidemiology and 10 papers in Surgery. Recurrent topics in John A. Callahan’s work include Cardiac Valve Diseases and Treatments (8 papers), Pericarditis and Cardiac Tamponade (8 papers) and Infective Endocarditis Diagnosis and Management (7 papers). John A. Callahan is often cited by papers focused on Cardiac Valve Diseases and Treatments (8 papers), Pericarditis and Cardiac Tamponade (8 papers) and Infective Endocarditis Diagnosis and Management (7 papers). John A. Callahan collaborates with scholars based in United States. John A. Callahan's co-authors include James B. Seward, A. Jamil Tajik, Guy S. Reeder, Clarence Shub and William D. Edwards and has published in prestigious journals such as New England Journal of Medicine, JAMA and Circulation.

In The Last Decade

Fields of papers citing papers by John A. Callahan

Since Specialization

EngineeringComputer SciencePhysics and AstronomyMathematicsEarth and Planetary SciencesEnergyEnvironmental ScienceMaterials ScienceChemical EngineeringChemistryAgricultural and Biological SciencesVeterinaryDecision SciencesArts and HumanitiesBusiness, Management and AccountingSocial SciencesPsychologyEconomics, Econometrics and FinanceHealth ProfessionsDentistryMedicineBiochemistry, Genetics and Molecular BiologyNeuroscienceNursingImmunology and MicrobiologyPharmacology, Toxicology and Pharmaceutics

This network shows the specialization of papers citing the papers produced by John A. Callahan. Nodes represent fields, and links connect fields that are likely to share authors. The network helps show where John A. Callahan may publish in the future.

Countries citing papers authored by John A. Callahan

Since Specialization

Citations

This map shows the geographic impact of John A. Callahan'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 John A. Callahan with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites John A. Callahan more than expected).

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