Andrea May

8.4k total citations · 1 hit paper
110 papers, 5.0k citations indexed

About

Andrea May is a scholar working on Surgery, Pulmonary and Respiratory Medicine and Gastroenterology. According to data from OpenAlex, Andrea May has authored 110 papers receiving a total of 5.0k indexed citations (citations by other indexed papers that have themselves been cited), including 93 papers in Surgery, 64 papers in Pulmonary and Respiratory Medicine and 44 papers in Gastroenterology. Recurrent topics in Andrea May's work include Esophageal Cancer Research and Treatment (47 papers), Esophageal and GI Pathology (42 papers) and Gastric Cancer Management and Outcomes (40 papers). Andrea May is often cited by papers focused on Esophageal Cancer Research and Treatment (47 papers), Esophageal and GI Pathology (42 papers) and Gastric Cancer Management and Outcomes (40 papers). Andrea May collaborates with scholars based in Germany, United States and France. Andrea May's co-authors include Christian Ell, Lars Nachbar, Liebwin Goßner, Oliver Pech, Manfred Stolte, Thomas Rabenstein, Michael Vieth, Christian Ell, Gert Mayer and Hendrik Manner and has published in prestigious journals such as SHILAP Revista de lepidopterología, Gastroenterology and Cancer.

In The Last Decade

Andrea May

101 papers receiving 4.8k citations

Hit Papers

align trajectories

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.

Long-term Efficacy and Safety of Endoscopic Resection for Patients With Mucosal Adenocarcinoma of the Esophagus

2013 298 citations Oliver Pech, Andrea May et al. Gastroenterology profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Andrea May Germany	36	4.4k	2.8k	2.3k	419	206	110	5.0k
Herbert C. Wolfsen United States	38	4.1k 0.9×	3.0k 1.0×	998 0.4×	643 1.5×	339 1.6×	200	4.9k
Jelle Haringsma Netherlands	34	3.0k 0.7×	2.4k 0.8×	1.0k 0.4×	695 1.7×	174 0.8×	90	3.6k
Liebwin Goßner Germany	33	5.0k 1.1×	4.5k 1.6×	1.3k 0.6×	390 0.9×	387 1.9×	103	5.8k
Oliver Pech Germany	41	5.9k 1.3×	5.5k 1.9×	1.3k 0.6×	1.1k 2.5×	132 0.6×	175	6.9k
Mássimo Conio Italy	35	3.1k 0.7×	2.6k 0.9×	909 0.4×	1.1k 2.6×	132 0.6×	140	4.0k
Naomi Kakushima Japan	40	3.0k 0.7×	4.9k 1.7×	2.9k 1.3×	1.0k 2.4×	86 0.4×	225	5.9k
Chan Sup Shim South Korea	34	2.7k 0.6×	2.6k 0.9×	722 0.3×	1.1k 2.5×	104 0.5×	195	3.5k
Koji Higashino Japan	32	2.3k 0.5×	3.0k 1.1×	1.0k 0.4×	619 1.5×	95 0.5×	142	3.5k
Tomonori Yano Japan	31	2.8k 0.6×	3.1k 1.1×	439 0.2×	806 1.9×	439 2.1×	220	4.2k
Osamu Goto Japan	34	2.6k 0.6×	3.3k 1.2×	2.0k 0.8×	415 1.0×	26 0.1×	161	3.9k

Countries citing papers authored by Andrea May

Since Specialization

Citations

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

Fields of papers citing papers by Andrea May

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Andrea May. 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 Andrea May. The network helps show where Andrea May may publish in the future.

Co-authorship network of co-authors of Andrea May

This figure shows the co-authorship network connecting the top 25 collaborators of Andrea May. A scholar is included among the top collaborators of Andrea May 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 Andrea May. Andrea May is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

May, Andrea, et al.. (2021). Virtual Biopsy by Electrical Impedance Spectroscopy in Barrett’s Carcinoma. Journal of Gastrointestinal Cancer. 53(4). 948–957. 3 indexed citations

Knabe, Mate, Andrea May, & Christian Ell. (2016). Endoscopic resection for patients with mucosal adenocarcinoma of the esophagus.. PubMed. 62(4). 281–295.

Behrens, Angelika, Manfred Stolte, Oliver Pech, Andrea May, & Christian Ell. (2014). Verrucous Oesophageal Carcinoma: Single Case Report and Case Series Including 15 Patients - Issues for Consideration of Therapeutic Strategies. Visceral Medicine. 30(5). 346–352. 10 indexed citations

Pohl, Jürgen, et al.. (2014). Prospective study of acute complication rates and associated risk factors in endoscopic therapy for duodenal adenomas. Surgical Endoscopy. 29(7). 1823–1830. 14 indexed citations

Manner, Hendrik, Oliver Pech, Andrea May, et al.. (2014). The frequency of lymph node metastasis in early-stage adenocarcinoma of the esophagus with incipient submucosal invasion (pT1b sm1) depending on histological risk patterns. Surgical Endoscopy. 29(7). 1888–1896. 90 indexed citations

May, Andrea. (2009). Balloon Enteroscopy: Single- and Double-Balloon Enteroscopy. Gastrointestinal Endoscopy Clinics of North America. 19(3). 349–356. 15 indexed citations

Pohl, J, Oliver Pech, Andrea May, Hendrik Manner, & Christian Ell. (2008). Endoscopic Resection of Early Esophageal and Gastric Neoplasias. Digestive Diseases. 26(4). 285–290. 5 indexed citations

May, Andrea. (2007). Current status of double balloon enteroscopy with focus on the Wiesbaden results. Gastrointestinal Endoscopy. 66(3). S12–S14. 8 indexed citations

May, Andrea, Michael R. Schoen, Lars Nachbar, M. Stolte, & Christian Ell. (2007). Ileo-ileal invagination – a cause of recurrent mid-gastrointestinal bleeding: Diagnostic and endoscopic therapy by means of push-and-pull enteroscopy. Digestive and Liver Disease. 40(6). 477–480.

10.

Pohl, J, Andrea May, Thomas Rabenstein, et al.. (2007). Comparison of computed virtual chromoendoscopy and conventional chromoendoscopy with acetic acid for detection of neoplasia in Barrett’s esophagus. Endoscopy. 39(7). 594–598. 87 indexed citations

11.

Pohl, Jens, Andrea May, Lars Nachbar, & Christian Ell. (2007). Diagnostic and therapeutic yield of push-and-pull enteroscopy for symptomatic small bowel Crohn??s disease strictures. European Journal of Gastroenterology & Hepatology. 19(7). 529–534. 79 indexed citations

12.

Jaeger, Christian, Gert Mayer, Liebwin Goßner, et al.. (2006). Secondary sclerosing cholangitis after long-term treatment in an Intensive care unit: clinical presentation, endoscopic findings, treatment, and follow-up. Endoscopy. 38(7). 730–734. 41 indexed citations

13.

May, Andrea, Lars Nachbar, & Christian Ell. (2005). Double-balloon enteroscopy (push-and-pull enteroscopy) of the small bowel: feasibility and diagnostic and therapeutic yield in patients with suspected small bowel disease. Gastrointestinal Endoscopy. 62(1). 62–70. 273 indexed citations

14.

Pech, Oliver, Liebwin Goßner, Andrea May, et al.. (2004). Endoscopic Resection of Superficial Esophageal Squamous-Cell Carcinomas: Western Experience. The American Journal of Gastroenterology. 99(7). 1226–1232. 80 indexed citations

15.

Pech, Oliver, Andrea May, Liebwin Goßner, Thomas Rabenstein, & Christian Ell. (2004). Management of pre-malignant and malignant lesions by endoscopic resection. Best Practice & Research Clinical Gastroenterology. 18(1). 61–76. 17 indexed citations

16.

May, Andrea, et al.. (2001). Early stage adenocarcinoma of the esophagus arising in circular heterotopic gastric mucosa treated by endoscopic mucosal resection. Gastrointestinal Endoscopy. 54(5). 656–658. 26 indexed citations

17.

Goßner, Liebwin, Manfred Stolte, Ronald Sroka, et al.. (1998). Photodynamic ablation of high-grade dysplasia and early cancer in Barrett's esophagus by means of 5-aminolevulinic acid. Gastroenterology. 114(3). 448–455. 307 indexed citations

18.

Ell, Christian, Liebwin Goßner, Andrea May, et al.. (1998). Photodynamic ablation of early cancers of the stomach by means of mTHPC and laser irradiation: preliminary clinical experience. Gut. 43(3). 345–349. 62 indexed citations

19.

May, Andrea, J Hochberger, Liebwin Goßner, et al.. (1995). Memory metal stents for palliation of malignant obstruction of the oesophagus and cardia.. Gut. 37(3). 309–313. 59 indexed citations

20.

Ell, Christian, J Hochberger, Andrea May, et al.. (1993). Laser lithotripsy of difficult bile duct stones by means of a rhodamine-6G laser and an integrated automatic stone-tissue detection system. Gastrointestinal Endoscopy. 39(6). 755–762. 43 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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