P. R. D. Humphrey

1.7k total citations · 1 hit paper
17 papers, 1.1k citations indexed

About

P. R. D. Humphrey is a scholar working on Neurology, Pulmonary and Respiratory Medicine and Epidemiology. According to data from OpenAlex, P. R. D. Humphrey has authored 17 papers receiving a total of 1.1k indexed citations (citations by other indexed papers that have themselves been cited), including 8 papers in Neurology, 7 papers in Pulmonary and Respiratory Medicine and 5 papers in Epidemiology. Recurrent topics in P. R. D. Humphrey's work include Acute Ischemic Stroke Management (5 papers), Intracranial Aneurysms: Treatment and Complications (5 papers) and Hemoglobinopathies and Related Disorders (4 papers). P. R. D. Humphrey is often cited by papers focused on Acute Ischemic Stroke Management (5 papers), Intracranial Aneurysms: Treatment and Complications (5 papers) and Hemoglobinopathies and Related Disorders (4 papers). P. R. D. Humphrey collaborates with scholars based in United Kingdom, Australia and Italy. P. R. D. Humphrey's co-authors include R D Illingworth, Patricia Richards, R. J. Nelson, Gordon Murray, D. A. Lang, John D. Pickard, Graham M. Teasdale, P M Foy, M. D. M. Shaw and John Marshall and has published in prestigious journals such as The Lancet, Stroke and Journal of Neurology Neurosurgery & Psychiatry.

In The Last Decade

P. R. D. Humphrey

17 papers receiving 1.0k 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.

Effect of oral nimodipine on cerebral infarction and outcome after subarachnoid haemorrhage: British aneurysm nimodipine trial.

1989 770 citations John D. Pickard, Gordon Murray et al. BMJ profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
P. R. D. Humphrey United Kingdom	14	822	256	185	137	93	17	1.1k
Lydia Johns United States	21	643 0.8×	148 0.6×	178 1.0×	81 0.6×	76 0.8×	33	1.0k
A. Mamoli Italy	18	358 0.4×	278 1.1×	474 2.6×	62 0.5×	154 1.7×	45	956
P M Foy United Kingdom	18	964 1.2×	186 0.7×	209 1.1×	279 2.0×	67 0.7×	29	1.8k
B. Voldby Denmark	18	1.2k 1.5×	247 1.0×	110 0.6×	238 1.7×	40 0.4×	26	1.4k
Daniel Ruefenacht Switzerland	18	1.2k 1.4×	332 1.3×	157 0.8×	118 0.9×	42 0.5×	41	1.7k
M. Camerlingo Italy	20	396 0.5×	308 1.2×	554 3.0×	98 0.7×	168 1.8×	51	1.1k
Akihiko Hino Japan	18	757 0.9×	187 0.7×	195 1.1×	81 0.6×	58 0.6×	66	1.2k
T. Mayer Germany	12	410 0.5×	377 1.5×	394 2.1×	60 0.4×	85 0.9×	24	780
Hideyuki Kuyama Japan	14	634 0.8×	93 0.4×	138 0.7×	71 0.5×	35 0.4×	40	798
Hart Schutz Canada	15	757 0.9×	222 0.9×	226 1.2×	268 2.0×	67 0.7×	30	1.3k

Countries citing papers authored by P. R. D. Humphrey

Since Specialization

Citations

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

Fields of papers citing papers by P. R. D. Humphrey

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by P. R. D. Humphrey. 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 P. R. D. Humphrey. The network helps show where P. R. D. Humphrey may publish in the future.

Co-authorship network of co-authors of P. R. D. Humphrey

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

All Works

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17 of 17 papers shown

Humphrey, P. R. D., G. H. du Boulay, John Marshall, et al.. (2009). Viscosity, cerebral blood flow and haematocrit in patients with paraproteinaemia. Acta Neurologica Scandinavica. 61(4). 201–209. 4 indexed citations

Larner, AJ, et al.. (2003). A therapeutic dilemma: atrial fibrillation, transient ischaemic attacks and an unruptured intracranial aneurysm. Hospital Medicine. 64(1). 52–53. 1 indexed citations

Young, Gavin, et al.. (1996). Observer variation in the interpretation of intra-arterial angiograms and the risk of inappropriate decisions about carotid endarterectomy.. Journal of Neurology Neurosurgery & Psychiatry. 60(2). 152–157. 26 indexed citations

Young, Carolyn, David Chadwick, & P. R. D. Humphrey. (1991). Extracranial vertebral artery dissection following tonic clonic seizure.. Journal of Neurology Neurosurgery & Psychiatry. 54(4). 365–366. 17 indexed citations

Pickard, J. D., Gordon Murray, R D Illingworth, et al.. (1990). Oral nimodipine and cerebral ischaemia following subarachnoid haemorrhage. International Journal of Clinical Practice. 44(2). 66–67. 15 indexed citations

Pickard, John D., Gordon Murray, R D Illingworth, et al.. (1989). Effect of oral nimodipine on cerebral infarction and outcome after subarachnoid haemorrhage: British aneurysm nimodipine trial.. BMJ. 298(6674). 636–642. 770 indexed citations breakdown →

Rajagopalan, Navin, P. R. D. Humphrey, & R C Bucknall. (1989). Torticollis and blepharospasm in systemic lupus erythematosus. Movement Disorders. 4(4). 345–348. 16 indexed citations

Pickard, JD, Gordon Murray, R D Illingworth, et al.. (1989). ORAL NIMODIPINE AND CEREBRAL INFARCTION FOLLOWING SUBARACHNOID HEMORRHAGE - A PRELIMINARY-REPORT OF THE BRITISH ANEURYSM NIMODIPINE TRIAL (BRANT). 447–447. 1 indexed citations

Humphrey, P. R. D. & M J Harrison. (1985). How often can an embolic stroke be diagnosed clinically? A clinicopathological correlation. Postgraduate Medical Journal. 61(722). 1039–1042. 20 indexed citations

10.

Hart, George, Paul Oldershaw, Roger E. Cull, P. R. D. Humphrey, & David Ward. (1982). Syncope Caused by Cough‐Induced Complete Atrioventricular Block. Pacing and Clinical Electrophysiology. 5(4). 564–566. 32 indexed citations

11.

Humphrey, P. R. D., I. F. Moseley, & R. R. Russell. (1982). Visual field defects in obstructive hydrocephalus. Journal of Neurology Neurosurgery & Psychiatry. 45(7). 591–597. 19 indexed citations

12.

Humphrey, P. R. D.. (1981). Changes in cerebral blood flow relating to haematocrit and viscosity. Scandinavian Journal of Clinical and Laboratory Investigation. 41(sup156). 209–211. 15 indexed citations

13.

Humphrey, P. R. D. & John Marshall. (1981). Transient ischemic attacks and strokes with recovery prognosis and investigation.. Stroke. 12(6). 765–769. 39 indexed citations

14.

Merory, John, D. J. Thomas, P. R. D. Humphrey, et al.. (1980). Cerebral blood flow after surgery for recent subarachnoid haemorrhage. Journal of Neurology Neurosurgery & Psychiatry. 43(3). 214–221. 19 indexed citations

15.

Humphrey, P. R. D., et al.. (1980). Red Cell Mass, Plasma Volume and Blood Volume before and after Venesection in Relative Polycythaemia. British Journal of Haematology. 46(3). 435–438. 17 indexed citations

16.

Humphrey, P. R. D., et al.. (1980). Management of Relative Polycythaemia: Studies of Cerebral Blood Flow and Viscosity. British Journal of Haematology. 46(3). 427–433. 22 indexed citations

17.

Humphrey, P. R. D., John Marshall, R W Russell, et al.. (1979). CEREBRAL BLOOD-FLOW AND VISCOSITY IN RELATIVE POLYCYTHÆMIA. The Lancet. 314(8148). 873–877. 87 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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