Penny Ballem

1.2k total citations
18 papers, 919 citations indexed

About

Penny Ballem is a scholar working on Hematology, Genetics and Surgery. According to data from OpenAlex, Penny Ballem has authored 18 papers receiving a total of 919 indexed citations (citations by other indexed papers that have themselves been cited), including 12 papers in Hematology, 5 papers in Genetics and 3 papers in Surgery. Recurrent topics in Penny Ballem's work include Platelet Disorders and Treatments (9 papers), Blood groups and transfusion (5 papers) and Blood disorders and treatments (3 papers). Penny Ballem is often cited by papers focused on Platelet Disorders and Treatments (9 papers), Blood groups and transfusion (5 papers) and Blood disorders and treatments (3 papers). Penny Ballem collaborates with scholars based in Canada, United States and Switzerland. Penny Ballem's co-authors include Terry Gernsheimer, Sherrill J. Slichter, Gerald M. Segal, J W Adamson, Jon Stratton, John R. Stratton, Helen Chambers, Dana V. Devine, Allan S. Belzberg and Peter Tsang and has published in prestigious journals such as New England Journal of Medicine, Journal of Clinical Investigation and British Journal of Haematology.

In The Last Decade

Penny Ballem

18 papers receiving 878 citations

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Penny Ballem Canada	12	747	133	133	118	102	18	919
Cynthia Rutherford United States	18	326 0.4×	210 1.6×	98 0.7×	201 1.7×	208 2.0×	35	1.1k
Stefania Varotto Italy	23	525 0.7×	116 0.9×	56 0.4×	84 0.7×	176 1.7×	42	1.2k
Neil K. Kochenour United States	16	405 0.5×	65 0.5×	81 0.6×	52 0.4×	200 2.0×	35	1.1k
Brigitte Pautard France	15	375 0.5×	95 0.7×	65 0.5×	34 0.3×	163 1.6×	32	791
Vinay Sakhuja India	16	146 0.2×	76 0.6×	146 1.1×	77 0.7×	51 0.5×	58	839
Andreas Holbro Switzerland	18	468 0.6×	152 1.1×	71 0.5×	41 0.3×	160 1.6×	70	801
Mark Ethell United Kingdom	17	518 0.7×	87 0.7×	97 0.7×	43 0.4×	121 1.2×	44	952
Taru Hays United States	20	831 1.1×	198 1.5×	84 0.6×	26 0.2×	112 1.1×	42	1.2k
Kazuo Kawasugi Japan	15	358 0.5×	59 0.4×	128 1.0×	17 0.1×	125 1.2×	69	944
Shayna Sarosiek United States	16	247 0.3×	363 2.7×	53 0.4×	182 1.5×	119 1.2×	109	1.1k

Countries citing papers authored by Penny Ballem

Since Specialization

Citations

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

Fields of papers citing papers by Penny Ballem

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Penny Ballem

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

All Works

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18 of 18 papers shown

Nasmith, Louise, et al.. (2013). Achieving care goals for people with chronic health conditions.. PubMed. 59(1). 11–3, 15. 10 indexed citations

Altman, Alon D., Janice McLaughlin, R. Robert Schellenberg, et al.. (2006). Hereditary Angioedema Managed with Low-Dose Danazol and C1 Esterase Inhibitor Concentrate: A Case Report. Journal of Obstetrics and Gynaecology Canada. 28(1). 27–31. 14 indexed citations

Stephenson, Mary D., Penny Ballem, Peter Tsang, et al.. (2004). Treatment of Antiphospholipid Antibody Syndrome (APS) in Pregnancy: A Randomized Pilot Trial Comparing Low Molecular Weight Heparin to Unfractionated Heparin. Journal of Obstetrics and Gynaecology Canada. 26(8). 729–734. 95 indexed citations

Ballem, Penny. (1998). Acquired thrombophilia in pregnancy.. PubMed. 24 Suppl 1. 41–7. 16 indexed citations

Ballem, Penny, et al.. (1998). The Asian Women's Health Clinic: addressing cultural barriers to preventive health care.. PubMed. 159(4). 350–4. 22 indexed citations

Wilson, R.D., et al.. (1996). Antenatal Invasive and Noninvasive Management of Alloimmune Thrombocytopenia. Fetal Diagnosis and Therapy. 11(3). 210–217. 16 indexed citations

Ballem, Penny, et al.. (1992). Kinetic Studies of the Mechanism of Thrombocytopenia in Patients with Human Immunodeficiency Virus Infection. New England Journal of Medicine. 327(25). 1779–1784. 134 indexed citations

Calverley, David C., et al.. (1991). Red blood cell alloimmunization in transfused patients on AZT. British Journal of Haematology. 78(2). 248–250. 6 indexed citations

Schechter, Martin T., et al.. (1990). An anonymous seroprevalence survey of HIV infection among pregnant women in British Columbia and the Yukon Territory.. PubMed. 143(11). 1187–92. 11 indexed citations

10.

Blanchette, Victor S., R. A. Sacher, Penny Ballem, J B Bussel, & Paul Imbach. (1989). Commentary on the management of autoimmune thrombocytopenia during pregnancy and in the neonatal period. Annals of Hematology. 59(1). 121–123. 2 indexed citations

11.

Gernsheimer, Terry, John R. Stratton, Penny Ballem, & Sherrill J. Slichter. (1989). Mechanisms of Response to Treatment in Autoimmune Thrombocytopenic Purpura. New England Journal of Medicine. 320(15). 974–980. 169 indexed citations

12.

Ballem, Penny, N Buskard, Bernd K. Wittmann, et al.. (1989). ITP in pregnancy: Use of the bleeding time as an indicator for treatment. Annals of Hematology. 59(1). 132–135. 10 indexed citations

13.

Ballem, Penny, et al.. (1989). Pathophysiology of thrombocytopenia associated with HIV infection in homosexual men. Annals of Hematology. 59(1). 111–114. 12 indexed citations

14.

Stratton, John R., Penny Ballem, Terry Gernsheimer, Manuel D. Cerqueira, & Sherrill J. Slichter. (1989). Platelet destruction in autoimmune thrombocytopenic purpura: kinetics and clearance of indium-111-labeled autologous platelets.. PubMed. 30(5). 629–37. 51 indexed citations

15.

Ballem, Penny, et al.. (1988). 380 Management of protein C deficiency in pregnancy. Fibrinolysis and Proteolysis. 2. 161–161. 1 indexed citations

16.

Ballem, Penny, Gerald M. Segal, Jon Stratton, et al.. (1987). Mechanisms of thrombocytopenia in chronic autoimmune thrombocytopenic purpura. Evidence of both impaired platelet production and increased platelet clearance.. Journal of Clinical Investigation. 80(1). 33–40. 318 indexed citations

17.

Ballem, Penny, et al.. (1987). Post‐transfusion purpura secondary to passive transfer of anti‐P1^A1 by blood transfusion. British Journal of Haematology. 66(1). 113–114. 31 indexed citations

18.

Ballem, Penny, et al.. (1986). Autoimmune thrombocytopenia: progenitor cell response to platelet demand.. PubMed. 215. 341–5. 1 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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