J. Bonnar

8.6k total citations · 1 hit paper
193 papers, 6.0k citations indexed

About

J. Bonnar is a scholar working on Obstetrics and Gynecology, Hematology and Pediatrics, Perinatology and Child Health. According to data from OpenAlex, J. Bonnar has authored 193 papers receiving a total of 6.0k indexed citations (citations by other indexed papers that have themselves been cited), including 72 papers in Obstetrics and Gynecology, 50 papers in Hematology and 43 papers in Pediatrics, Perinatology and Child Health. Recurrent topics in J. Bonnar's work include Pregnancy and preeclampsia studies (47 papers), Blood Coagulation and Thrombosis Mechanisms (45 papers) and Maternal and fetal healthcare (23 papers). J. Bonnar is often cited by papers focused on Pregnancy and preeclampsia studies (47 papers), Blood Coagulation and Thrombosis Mechanisms (45 papers) and Maternal and fetal healthcare (23 papers). J. Bonnar collaborates with scholars based in Ireland, United Kingdom and United States. J. Bonnar's co-authors include Brian Sheppard, K. W. E. Denson, Lawrence J. Beilin, G. P. McNicol, A. S. Douglas, Lucy Norris, Christopher W.G. Redman, John Walsh, C.W.G. Redman and Noreen Gleeson and has published in prestigious journals such as The Lancet, JAMA and Blood.

In The Last Decade

J. Bonnar

187 papers receiving 5.5k 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.

SUBCUTANEOUS HEPARIN

1974 388 citations J. Bonnar et al. The Lancet profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
J. Bonnar Ireland	43	2.6k	1.7k	1.5k	997	909	193	6.0k
Olavi Ylikorkala Finland	42	1.7k 0.7×	1.4k 0.8×	140 0.1×	485 0.5×	1.1k 1.2×	253	5.9k
Henk C.S. Wallenburg Netherlands	32	2.0k 0.8×	1.5k 0.9×	301 0.2×	679 0.7×	821 0.9×	130	3.9k
Per Morten Sandset Norway	53	484 0.2×	510 0.3×	3.7k 2.5×	3.5k 3.5×	509 0.6×	312	10.6k
Jack A. Pritchard United States	34	1.4k 0.6×	1.4k 0.8×	611 0.4×	427 0.4×	530 0.6×	93	3.4k
David M. Sherer United States	33	1.9k 0.7×	2.1k 1.3×	112 0.1×	143 0.1×	1.3k 1.4×	299	5.2k
Paola Giordano Italy	38	243 0.1×	803 0.5×	2.2k 1.5×	328 0.3×	348 0.4×	286	5.3k
Jacqueline Limpens Netherlands	43	758 0.3×	933 0.6×	142 0.1×	715 0.7×	882 1.0×	133	5.9k
G. P. McNicol United Kingdom	28	293 0.1×	199 0.1×	1.0k 0.7×	486 0.5×	135 0.1×	126	2.9k
Fulvio Zullo Italy	56	5.4k 2.1×	1.5k 0.9×	78 0.1×	767 0.8×	3.2k 3.6×	380	11.8k
C. R. M. Prentice United Kingdom	35	326 0.1×	209 0.1×	1.0k 0.7×	1.1k 1.1×	158 0.2×	143	3.9k

Countries citing papers authored by J. Bonnar

Since Specialization

Citations

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

Fields of papers citing papers by J. Bonnar

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of J. Bonnar

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

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

1.

Fraser, Ian S., J. Bonnar, & Flora Peyvandi. (2005). Requirements for research investigations to clarify the relationships and management of menstrual abnormalities in women with hemostatic disorders. Fertility and Sterility. 84(5). 1360–1365. 3 indexed citations

2.

Smith, Mark P., Lucy Norris, Philip Steer, Geoffrey F. Savidge, & J. Bonnar. (2004). Tinzaparin sodium for thrombosis treatment and prevention during pregnancy. American Journal of Obstetrics and Gynecology. 190(2). 495–501. 71 indexed citations

3.

Norris, Lucy, et al.. (2000). Innohep in pregnancy: A dose finding study of subcutaneous Tinzaparin for thrombosis treatment and prevention during pregnancy.. Blood. 96. 2 indexed citations

4.

Norris, Lucy & J. Bonnar. (1994). Effect of Oestrogen Dose on Whole Blood Platelet Activation in Women Taking New Low Dose Oral Contraceptives. Thrombosis and Haemostasis. 72(6). 926–930. 19 indexed citations

5.

Sheppard, Brian, et al.. (1991). Mast cells in the normal uterus and in dysfunctional uterine bleeding. European Journal of Obstetrics & Gynecology and Reproductive Biology. 39(3). 193–201. 30 indexed citations

6.

Sheppard, Brian & J. Bonnar. (1976). THE ULTRASTRUCTURE OF THE ARTERIAL SUPPLY OF THE HUMAN PLACENTA IN PREGNANCY COMPLICATED BY FETAL GROWTH RETARDATION. BJOG An International Journal of Obstetrics & Gynaecology. 83(12). 948–959. 166 indexed citations

7.

Wald, Nicholas, et al.. (1975). Maternal serum alpha-fetoprotein levels in multiple pregnancy.. BMJ. 1(5959). 651–652. 39 indexed citations

8.

Redman, C.W.G., J. Bonnar, Lawrence J. Beilin, & A. S. McNeilly. (1975). Prolactin in hypertensive pregnancy.. BMJ. 1(5953). 304–306. 22 indexed citations

9.

Palmer, R. L., et al.. (1975). Pituitary sensitivity to 50 micro g LH/FSH-RH in subjects with anorexia nervosa in acute and recovery stages.. BMJ. 1(5951). 179–182. 51 indexed citations

10.

Turner, R. C., et al.. (1974). Cryptorchidism in a family with Kallmann's syndrome.. Europe PMC (PubMed Central). 67(1). 33–5. 13 indexed citations

11.

Bonnar, J., et al.. (1973). Coagulation Changes during Termination of Pregnancy by Prostaglandins and by Vacuum Aspiration. BMJ. 1(5844). 19–21. 16 indexed citations

12.

Bonnar, J., G. P. McNicol, & A. S. Douglas. (1971). Coagulation and Fibrinolytic Systems in Pre-eclampsia and Eclampsia. BMJ. 2(5752). 12–16. 152 indexed citations

13.

Bonnar, J., et al.. (1971). Abdominal Wound Dehiscence after Caesarean Section. BMJ. 2(5756). 256–257. 38 indexed citations

14.

Bonnar, J., G. P. McNicol, & A. S. Douglas. (1970). Coagulation and Fibrinolytic Mechanisms During and After Normal Childbirth. BMJ. 2(5703). 200–203. 102 indexed citations

15.

Bonnar, J., C. R. M. Prentice, G. P. McNicol, & A. S. Douglas. (1970). Haemostatic Mechanism in the Uterine Circulation during Placental Separation. BMJ. 2(5709). 564–567. 51 indexed citations

16.

Bonnar, J., G. P. McNicol, & A. S. Douglas. (1969). Fibrinolytic Enzyme System and Pregnancy. BMJ. 3(5667). 387–389. 115 indexed citations

17.

Bonnar, J., et al.. (1969). Fibrin Degradation Products in Normal and Abnormal Pregnancy and Parturition. BMJ. 3(5663). 137–140. 86 indexed citations

18.

Bonnar, J., et al.. (1968). CLOSURE OF SURGICAL WOUNDS OF THE LOWER ABDOMEN BY MICROPOROUS TAPE. The Lancet. 291(7557). 1387–1389. 1 indexed citations

19.

Bonnar, J.. (1965). Anaemia in obstetrics: an evaluation of treatment by iron-dextran infusion.. BMJ. 2(5469). 1030–1033. 26 indexed citations

20.

Bonnar, J., et al.. (1962). BENIGN HYDATIDIFORM MOLE FOLLOWED BY LATE PULMONARY CHORIOCARCINOMA. BJOG An International Journal of Obstetrics & Gynaecology. 69(6). 999–1005. 4 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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