J. A. Hagen

About

J. A. Hagen is a scholar working on Surgery, Pulmonary and Respiratory Medicine and Gastroenterology. According to data from OpenAlex, J. A. Hagen has authored 24 papers receiving a total of 964 indexed citations (citations by other indexed papers that have themselves been cited), including 21 papers in Surgery, 9 papers in Pulmonary and Respiratory Medicine and 8 papers in Gastroenterology. Recurrent topics in J. A. Hagen’s work include Esophageal and GI Pathology (15 papers), Esophageal Cancer Research and Treatment (13 papers) and Gastroesophageal reflux and treatments (8 papers). J. A. Hagen is often cited by papers focused on Esophageal and GI Pathology (15 papers), Esophageal Cancer Research and Treatment (13 papers) and Gastroesophageal reflux and treatments (8 papers). J. A. Hagen collaborates with scholars based in United States, Canada and Germany. J. A. Hagen's co-authors include Tom R. DeMeester, Steven R. DeMeester, Peter F. Crookes, Cedric G. Bremner, Jeffrey H. Peters, Thomas Demeester, John C. Lipham, Rodney J. Mason, Manfred Ritter and J. H. Peters and has published in prestigious journals such as Gastroenterology, Annals of Surgery and Journal of Thoracic and Cardiovascular Surgery.

In The Last Decade

Co-authorship network of co-authors of J. A. Hagen i

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Fields of papers citing papers by J. A. Hagen

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 J. A. Hagen. Nodes represent fields, and links connect fields that are likely to share authors. The network helps show where J. A. Hagen may publish in the future.

Countries citing papers authored by J. A. Hagen

Since Specialization

Citations

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

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