An application of Bradford’s law: identification of the core journals of pediatric neurosurgery and a regional comparison of citation density

Venable, Garrett T.; Shepherd, Brandon A.; Roberts, Mallory L.; Taylor, Douglas R.; Khan, Nickalus R.; Klimo, Paul

doi:10.1007/s00381-014-2481-9

Cited by 22 publications

(14 citation statements)

References 29 publications

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“…This is an issue common to many other researchers and consistent with previous Bradford's law studies in neurosurgery. 10,19,26,30 The observed distribution showed a greater number of citations in the central zones than expected, while the first and last zones contained fewer citations. This difference was consistent across subspecialties, although it was most exaggerated for pediatrics, in which the observed distribution was furthest from the model.…”

Section: Stereotactic and Functionalmentioning

confidence: 80%

“…In 2014 we described our method of data retrieval and analysis as applied to pediatric neurosurgery for the application of Bradford's law to identify the core journals of pediatric neurosurgery. 30 The methods used herein are identical. Scopus was used to identify all original research journal articles (excluding review articles, editorial letters, and so on) for each neurosurgeon, spanning the years 2009-2013.…”

Section: Methods Study Population and Data Retrievalmentioning

confidence: 99%

“…We previously analyzed the potential for such bias within pediatric neurosurgery. 30 When comparing journal preferences for citations based on region, we found that although the top journal differed between North American and European pediatric neurosurgeons, there was considerable homogeneity when looking at the core journals from each group. Therefore, this study represents the core journals for North American neurosurgery, but probably has impact for practitioners in other regions.…”

Section: Limitationsmentioning

confidence: 99%

“…3), because Egghe's formulation would predict that all zones carry an approximately equal distribution of citation density, but our distribution did not fit this expectation. 30 Therefore, Egghe's formulation was again abandoned for the verbal formulation of Bradford's law. A comparison of Bradford's verbal law with Egghe's formulation for combined neurosurgery and each subspecialty can be found in Table 4.…”

Section: Egghe's Formulation Of Bradford's Lawmentioning

confidence: 99%

“…By applying Bradford's law to journal articles that were referenced by each of those neurosurgeons over a 5-year period (2009-2013), we identified the core journals for each of the neurosurgical subspecialties. These databases were then combined, including the pediatric neurosurgery database previously reported, 30 to create citation density zones and identify the core journals for neurosurgery overall.…”

mentioning

confidence: 99%

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Bradford’s law: identification of the core journals for neurosurgery and its subspecialties

Venable¹,

Shepherd²,

Loftis³

et al. 2016

JNS

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obJective Bradford's law describes the scatter of citations for a given subject or field. It can be used to identify the most highly cited journals for a field or subject. The objective of this study was to use currently accepted formulations of Bradford's law to identify core journals of neurosurgery and neurosurgical subspecialties. methods All original research publications from 2009 to 2013 were analyzed for the top 25 North American academic neurosurgeons from each subspecialty. The top 25 were chosen from a ranked career h-index list identified from previous studies. Egghe's formulation and the verbal formulation of Bradford's law were applied to create specific citation density zones and identify the core journals for each subspecialty. The databases were then combined to identify the core journals for all of academic neurosurgery. results Using Bradford's verbal law with 4 zone models, the authors were able to identify the core journals of neurosurgery and its subspecialties. The journals found in the most highly cited first zone are presented here as the core journals. For neurosurgery as a whole, the core included the following journals: Journal of Neurosurgery, Neurosurgery, Spine, Stroke, Neurology, American Journal of Neuroradiology, International Journal of Radiation Oncology Biology Physics, and New England Journal of Medicine. The core journals for each subspecialty are presented in the manuscript. coNclusioNs Bradford's law can be used to identify the core journals of neurosurgery and its subspecialties. The core journals vary for each neurosurgical subspecialty, but Journal of Neurosurgery and Neurosurgery are among the core journals for each neurosurgical subspecialty.

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Section: Stereotactic and Functionalmentioning

confidence: 80%

Section: Methods Study Population and Data Retrievalmentioning

confidence: 99%

Section: Limitationsmentioning

confidence: 99%

Section: Egghe's Formulation Of Bradford's Lawmentioning

confidence: 99%

mentioning

confidence: 99%

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Bradford’s law: identification of the core journals for neurosurgery and its subspecialties

Venable¹,

Shepherd²,

Loftis³

et al. 2016

JNS

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Identifying Core Journals in Otolaryngology: A Bibliometric Analysis

et al. 2023

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ObjectivesAs research in otolaryngology continues to expand rapidly, it is important to identify core journals to keep clinicians updated with the latest advances. This study is the first to characterize core journals in otolaryngology.MethodsUsing h‐index and impact factor (IF), the top 15 NLM‐indexed otolaryngology journals were selected for analysis. The references from all articles published in these journals in one randomized quarter were compiled into a citation rank list, with the most cited journal ranked the highest. Citation zonal distribution analysis was conducted to identify the zonal distribution of otolaryngology journals.ResultsA total of 3150 journals containing 26876 articles were cited in otolaryngology literature in April–June 2019. Laryngoscope was the most cited journal containing 1762 citations. IF is significantly associated with the h‐index for the top 10 otolaryngology journals (p = 0.032). Three core journal zones were identified, with Zone 1 containing 8 journals, Zone 2 containing 36 journals, and Zone 3 containing 189 journals. A linear relationship between the log journal rank for Zones 1–3 and a cumulative number of citations was found (R2 = 0.9948).ConclusionEight core journals for otolaryngology were identified: Laryngoscope, Otolaryngology—Head and Neck Surgery, Otology & Neurotology, JAMA Otolaryngology—Head & Neck Surgery, Head & Neck, European Archives of Oto‐Rhino‐Laryngology, International Journal of Pediatric Otorhinolaryngology, Annals of Otology, Rhinology & Laryngology. In the face of rapidly evolving research and a multitude of journals, the high citation density within these core journals highlights their utility in updating busy clinicians.Level of EvidenceNA Laryngoscope, 2023

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A Bibliometric Analysis of Robotic Surgery From 2001 to 2021

2022

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Introduction Bibliometric analyses are a method of evaluating the quality of research output in a certain domain. Robotic surgery has made vast leaps during the past 20 years and this paper aimed to assess some of the main areas of research using this method. Methods A search was undertaken for documents published between 2001 and 2021 from the World of Science database, using the keywords ‘robotic surgery’, ‘robotic assisted surgery’ and ‘robotic-assisted surgery. Results were compared using numerous bibliometric methodologies, and stratified by source-specific metrics, author-specific metrics and country-specific metrics. Results The search yielded 3839 documents, from 879 different sources. Only 2% of sources were found to be within Bradford’s Zone 1 of research and the most relevant sources were from the field of urology. The Journal of Urology and Surgical Endoscopy and other Techniques ranked highly among metrics such as H, G, M index and total citations. The top-rated authors had a H index of 15 in the field of robotic surgery and the total citations reached a peak at 1342. The USA, Japan and Italy were the most productive nations and increased collaborative research is leading to a greater number of multiple-centre publications. Conclusion Research into robotic surgery is still in its infancy with further reviews of the literature and greater output through large randomised controlled trials in multiple centres through collaborative research needed.

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An application of Bradford’s law: identification of the core journals of pediatric neurosurgery and a regional comparison of citation density

Cited by 22 publications

References 29 publications

Bradford’s law: identification of the core journals for neurosurgery and its subspecialties

Bradford’s law: identification of the core journals for neurosurgery and its subspecialties

Identifying Core Journals in Otolaryngology: A Bibliometric Analysis

A Bibliometric Analysis of Robotic Surgery From 2001 to 2021

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