Ansgar Gerhardus

3.4k total citations · 1 hit paper
90 papers, 1.9k citations indexed

About

Ansgar Gerhardus is a scholar working on General Health Professions, Economics and Econometrics and Public Health, Environmental and Occupational Health. According to data from OpenAlex, Ansgar Gerhardus has authored 90 papers receiving a total of 1.9k indexed citations (citations by other indexed papers that have themselves been cited), including 63 papers in General Health Professions, 38 papers in Economics and Econometrics and 20 papers in Public Health, Environmental and Occupational Health. Recurrent topics in Ansgar Gerhardus's work include Health Systems, Economic Evaluations, Quality of Life (38 papers), Health Policy Implementation Science (20 papers) and Health and Medical Studies (18 papers). Ansgar Gerhardus is often cited by papers focused on Health Systems, Economic Evaluations, Quality of Life (38 papers), Health Policy Implementation Science (20 papers) and Health and Medical Studies (18 papers). Ansgar Gerhardus collaborates with scholars based in Germany, Netherlands and United Kingdom. Ansgar Gerhardus's co-authors include Eva Rehfuess, Andrew Booth, Kati Mozygemba, Lisa M. Pfadenhauer, Jacob Burns, Louise Brereton, Kristin Bakke Lysdahl, Bjørn Hofmann, Philip Wahlster and Stephanie Polus and has published in prestigious journals such as SHILAP Revista de lepidopterología, PLoS ONE and Journal of Clinical Epidemiology.

In The Last Decade

Ansgar Gerhardus

86 papers receiving 1.9k citations

Hit Papers

Making sense of complexity in context and implementation:... 2017 2026 2020 2023 2017 100 200 300 400 500
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.

  1. Making sense of complexity in context and implementation: the Context and Implementation of Complex Interventions (CICI) framework
    2017 537 citations Lisa M. Pfadenhauer, Ansgar Gerhardus et al. profile →

Peers

Ansgar Gerhardus
Therese Riley Australia
Kristin L. Carman United States
Leah Tuzzio United States
Sarah Rosenbaum Norway
N Mays United Kingdom
Helen Mason United Kingdom
Julia E. Moore Canada
Fiona Kelly Australia
Nelly D. Oelke Canada
R.D. Friele Netherlands
Therese Riley Australia
Ansgar Gerhardus
Citations per year, relative to Ansgar Gerhardus Ansgar Gerhardus (= 1×) peers Therese Riley

Countries citing papers authored by Ansgar Gerhardus

Since Specialization
Citations

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

Fields of papers citing papers by Ansgar Gerhardus

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Ansgar Gerhardus

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

All Works

20 of 20 papers shown
1.
Zeeb, Hajo, Julika Loss, Dagmar Starke, et al.. (2025). Public health in Germany: structures, dynamics, and ways forward. The Lancet Public Health. 10(4). e333–e342. 3 indexed citations
2.
3.
Husk, Kerryn, et al.. (2024). Theories used to develop or evaluate social prescribing in studies: a scoping review. BMC Health Services Research. 24(1). 140–140. 11 indexed citations
4.
Kristanti, Martina Sinta, Myrra Vernooij‐Dassen, Yun‐Hee Jeon, et al.. (2024). Social health markers in the context of cognitive decline and dementia: an international qualitative study. Frontiers in Psychiatry. 15. 1384636–1384636. 3 indexed citations
5.
Gerhardus, Ansgar, et al.. (2024). Is this really Empowerment? Enhancing our understanding of empowerment in patient and public involvement within clinical research. BMC Medical Research Methodology. 24(1). 205–205. 6 indexed citations
6.
Gerhardus, Ansgar, et al.. (2024). Engaging nursing home residents in clinical research: insights from a patient advisory board, a patient advocate, and a study team. Research Involvement and Engagement. 10(1). 111–111. 1 indexed citations
7.
8.
Mütsch, Margot, Christina Kien, Ursula Griebler, et al.. (2024). A Structured Approach to Involve Stakeholders in Prioritising Topics for Systematic Reviews in Public Health. International Journal of Public Health. 69. 1606642–1606642.
9.
Schwingshackl, Lukas, Julia Stadelmaier, Ursula Griebler, et al.. (2023). In Cochrane nutrition reviews assessment of dietary adherence varied considerably. Journal of Clinical Epidemiology. 158. 1–9. 3 indexed citations
10.
Schmidt, Annika, Antje Schwinger, Guido Schmiemann, et al.. (2019). Needs-based provision of medical care to nursing home residents: protocol for a mixed-methods study. BMJ Open. 9(8). e025614–e025614. 10 indexed citations
11.
12.
Polus, Stephanie, Lisa M. Pfadenhauer, Louise Brereton, et al.. (2017). A CONSULTATION GUIDE FOR ASSESSING THE APPLICABILITY OF HEALTH TECHNOLOGIES:A CASE STUDY. International Journal of Technology Assessment in Health Care. 33(5). 577–585. 3 indexed citations
13.
Wahlster, Philip, Louise Brereton, Jacob Burns, et al.. (2017). AN INTEGRATED PERSPECTIVE ON THE ASSESSMENT OF TECHNOLOGIES: INTEGRATE-HTA. International Journal of Technology Assessment in Health Care. 33(5). 544–551. 14 indexed citations
14.
Gerlinger, Thomas, Birgit Babitsch, Gabriele Bolte, et al.. (2012). Situation und Perspektiven von Public Health in Deutschland – Forschung und Lehre. Positionspapier der Deutschen Gesellschaft für Public Health e. V.. PUB – Publications at Bielefeld University (Bielefeld University). 74(11). 1 indexed citations
15.
Gerhardus, Ansgar. (2010). Gesundheitsförderung und Evidenz – Gegensatz oder Beziehung mit Potential?. Prävention und Gesundheitsförderung. 5(2). 62–63. 2 indexed citations
16.
Garrido, Marcial Velasco, Ansgar Gerhardus, John‐Arne Røttingen, & Reinhard Busse. (2009). Developing Health Technology Assessment to address health care system needs. Health Policy. 94(3). 196–202. 54 indexed citations
17.
Gerhardus, Ansgar & Matthias Perleth. (2008). Health Technology Assessment: Mehr als die Bewertung von Kosten und Nutzen?. Zeitschrift für Evidenz Fortbildung und Qualität im Gesundheitswesen. 102(2). 61–62. 2 indexed citations
18.
Grobe, Thomas, et al.. (2008). Stationäre Behandlung des Akuten Myokardinfarktes – ein Vergleich unterschiedlicher Datenquellen. Das Gesundheitswesen. 70(08/09). e37–e46. 3 indexed citations
19.
Gerhardus, Ansgar & Charalabos‐Markos Dintsios. (2005). The impact of HTA reports on health policy: a systematic review. SHILAP Revista de lepidopterología. 3 indexed citations
20.
Sauerborn, Rainer, et al.. (1999). Strategies to enhance the use of health systems research for health sector reform. Tropical Medicine & International Health. 4(12). 827–835. 62 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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