A. L. Blum

10.2k total citations · 1 hit paper
165 papers, 7.4k citations indexed

About

A. L. Blum is a scholar working on Surgery, Gastroenterology and Pulmonary and Respiratory Medicine. According to data from OpenAlex, A. L. Blum has authored 165 papers receiving a total of 7.4k indexed citations (citations by other indexed papers that have themselves been cited), including 100 papers in Surgery, 80 papers in Gastroenterology and 26 papers in Pulmonary and Respiratory Medicine. Recurrent topics in A. L. Blum's work include Helicobacter pylori-related gastroenterology studies (68 papers), Gastroesophageal reflux and treatments (62 papers) and Eosinophilic Esophagitis (39 papers). A. L. Blum is often cited by papers focused on Helicobacter pylori-related gastroenterology studies (68 papers), Gastroesophageal reflux and treatments (62 papers) and Eosinophilic Esophagitis (39 papers). A. L. Blum collaborates with scholars based in Switzerland, Germany and United States. A. L. Blum's co-authors include David Armstrong, J. P. Galmiche, Lars Lundell, L. Wallin, John Dent, J R Bennett, Stuart J. Spechler, Frank B. Johnson, Joel E. Richter and Michio Hongo and has published in prestigious journals such as New England Journal of Medicine, The Lancet and Journal of Biological Chemistry.

In The Last Decade

A. L. Blum

157 papers receiving 7.0k 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.

Endoscopic assessment of oesophagitis: clinical and functional correlates and further validation of the Los Angeles classification

1999 1.8k citations Lars Lundell, John Dent et al. Gut profile →

Peers

Countries citing papers authored by A. L. Blum

Since Specialization

Citations

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

Fields of papers citing papers by A. L. Blum

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by A. L. Blum. 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 A. L. Blum. The network helps show where A. L. Blum may publish in the future.

Co-authorship network of co-authors of A. L. Blum

This figure shows the co-authorship network connecting the top 25 collaborators of A. L. Blum. A scholar is included among the top collaborators of A. L. Blum 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 A. L. Blum. A. L. Blum 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

#	Work	Indexed citations
1	Die Patientensicherheit in der Schweiz 2009 ·Schweizerische Ärztezeitung ·(unknown), (unknown), Christa Meyenberger, A. L. Blum, (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown)	0
2	Helicobacter pylori and Probiotics1, 2007 ·Journal of Nutrition ·(unknown), I. Corthésy‐Theulaz, A. L. Blum	184
3	Helicobacter pylori infection in Swiss adolescents 2003 ·European Journal of Gastroenterology & Hepatology ·(unknown), (unknown), Markus Gassner, Carl Oneta, (unknown), A. L. Blum, Gian Dorta	24
4	Antagonist: Should we eradicate Helicobacter pylori in non-ulcer dyspepsia? 2001 ·Gut ·D. Pantoflickova, A. L. Blum	7
5	Favourable effect of an acidified milk (LC-1) on Helicobacter pylori gastritis in man 2001 ·European Journal of Gastroenterology & Hepatology ·Christian Felley, Irène Corthésy–Theulaz, (unknown), P. Sipponen, Martin Kaufmann, Peter Bauerfeind, Paul Wiesel, Dominique Brassart, Andréa Pfeifer, A. L. Blum, Pierre Michetti	155
6	Endoscopic assessment of oesophagitis: clinical and functional correlates and further validation of the Los Angeles classification breakdown → 1999 ·Gut ·Lars Lundell, John Dent, J R Bennett, A. L. Blum, David Armstrong, J. P. Galmiche, Frank B. Johnson, Michio Hongo, Joel E. Richter, Stuart J. Spechler, G. N. J. Tytgat, L. Wallin	1764
7	Immunization of BALB/c mice with Helicobacter urease B induces a T helper 2 response absent in Helicobacter infection 1998 ·Gastroenterology ·Pierre F. Saldinger, Nadine Porta, Pascal Launois, Jacques Louis, Gary A. Waanders, Hanifa Bouzourène, Pierre Michetti, A. L. Blum, Irène Corthésy–Theulaz	87
8	Insufficiency fractures of the ilium. 1997 ·PubMed ·Isabelle Chary-Valckenaere, A. L. Blum, (unknown), (unknown), J Pourel, (unknown)	9
9	Carbon-14-Urea Breath Test as a Noninvasive Method to Monitor <i>Helicobacter</i><i>felis</i> Colonization in Mice 1996 ·Digestion ·Micheline Glauser, (unknown), A. L. Blum, Irène Corthésy–Theulaz	9
10	Effect of omeprazole on intragastric bacterial counts, nitrates, nitrites, and N-nitroso compounds. 1994 ·Gut ·Elena F. Verdú, Francesco Viani, David Armstrong, Robert Fraser, Hans H. Siegrist, Brigitte Pignatelli, JP Idström, C. Cederberg, A. L. Blum, M. Fried	119
11	Nocturnal oesophageal motor activity is dependent on sleep stage. 1993 ·Gut ·Fabiana Castiglione, C. Emde, David Armstrong, C. Schneider, Peter Bauerfeind, G. Stacher, A. L. Blum	35
12	Prospective multicentre study of risk factors associated with delayed healing of recurrent duodenal ulcers (RUDER). RUDER Study Group. 1993 ·Gut ·David Armstrong, R. Arnold, M. Claßen, Michael B. Fischer, H. Goebell, A. L. Blum	13
13	Effects of ranitidine and cisapride on acid reflux and oesophageal motility in patients with reflux oesophagitis: a 24 hour ambulatory combined pH and manometry study. 1993 ·Gut ·W. Inauen, C. Emde, Benedikt Weber, David Armstrong, (unknown), (unknown), U Scheurer, A. L. Blum, F Halter, H. S. Merki	48
14	The ion sensitive field effect transistor (ISFET) pH electrode: a new sensor for long term ambulatory pH monitoring. 1991 ·Gut ·(unknown), C. Emde, Peter Bauerfeind, C.W. Francis, A. Grisel, (unknown), (unknown), C. Depeursinge, A. L. Blum	57
15	Early dinner reduces nocturnal gastric acidity. 1989 ·Gut ·(unknown), Peter Bauerfeind, C. Emde, H. R. Koelz, A. L. Blum	29
16	Does smoking interfere with the effect of histamine H2-receptor antagonists on intragastric acidity in man? 1987 ·Gut ·Peter Bauerfeind, T. Cilluffo, Claus J. Fimmel, C. Emde, C. Von Ritter, W Köhler, R Gugler, (unknown), A. L. Blum	27
17	Novel approach to quantify duodenogastric reflux in healthy volunteers and in patients with type I gastric ulcer. 1983 ·Gut ·S. Müller‐Lissner, Claus J. Fimmel, Amnon Sonnenberg, (unknown), (unknown), (unknown), R. Müller, A. L. Blum	54
18	How reliable is determination of ulcer size by endoscopy? 1979 ·BMJ ·Amnon Sonnenberg, (unknown), (unknown), (unknown), (unknown), (unknown), A. L. Blum	55
19	[Fiber endoscopy and radiology in stomach ulcer, stomach neoplasms and hiatal hernia: questions, timing and value]. 1979 ·PubMed ·(unknown), (unknown), (unknown), (unknown), Amnon Sonnenberg, W Brühlmann, A. L. Blum	1
20	Determinants of salivary response to mechanical stimulation 1971 ·Gut ·A. L. Blum, Gabriel M. Makhlouf	11

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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