John A. Ryan

About

John A. Ryan is a scholar working on Surgery, Oncology and Pulmonary and Respiratory Medicine. According to data from OpenAlex, John A. Ryan has authored 66 papers receiving a total of 4.3k indexed citations (citations by other indexed papers that have themselves been cited), including 42 papers in Surgery, 26 papers in Oncology and 20 papers in Pulmonary and Respiratory Medicine. Recurrent topics in John A. Ryan’s work include Pancreatic and Hepatic Oncology Research (20 papers), Pancreatitis Pathology and Treatment (12 papers) and Gallbladder and Bile Duct Disorders (9 papers). John A. Ryan is often cited by papers focused on Pancreatic and Hepatic Oncology Research (20 papers), Pancreatitis Pathology and Treatment (12 papers) and Gallbladder and Bile Duct Disorders (9 papers). John A. Ryan collaborates with scholars based in United States and United Kingdom. John A. Ryan's co-authors include Patrick C. Freeny, Josef E. Fischer, L. William Traverso, William M. Abbott, Ronald M. Abel, Richard A. Kozarek, William Marks, Cyrus C. Hopkins, K. Phillips and Thomas McC. Chesney and has published in prestigious journals such as New England Journal of Medicine, Journal of Clinical Oncology and Gastroenterology.

In The Last Decade

Co-authorship network of co-authors of John A. Ryan i

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Fields of papers citing papers by John A. Ryan

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

Countries citing papers authored by John A. Ryan

Since Specialization

Citations

This map shows the geographic impact of John A. Ryan'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. Ryan 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. Ryan more than expected).

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