P. O. Janson

2.8k total citations · 2 hit papers
44 papers, 2.2k citations indexed

About

P. O. Janson is a scholar working on Reproductive Medicine, Public Health, Environmental and Occupational Health and Endocrinology, Diabetes and Metabolism. According to data from OpenAlex, P. O. Janson has authored 44 papers receiving a total of 2.2k indexed citations (citations by other indexed papers that have themselves been cited), including 21 papers in Reproductive Medicine, 17 papers in Public Health, Environmental and Occupational Health and 5 papers in Endocrinology, Diabetes and Metabolism. Recurrent topics in P. O. Janson's work include Reproductive Biology and Fertility (15 papers), Ovarian function and disorders (15 papers) and Ovarian cancer diagnosis and treatment (6 papers). P. O. Janson is often cited by papers focused on Reproductive Biology and Fertility (15 papers), Ovarian function and disorders (15 papers) and Ovarian cancer diagnosis and treatment (6 papers). P. O. Janson collaborates with scholars based in Sweden, United States and Australia. P. O. Janson's co-authors include Eva Dahlgren, S. Johansson, Anders Odén, Leif Lapidus, Mats Brännström, G Lindstedt, Folke Knutsson, P A Lundberg, N. Crona and J.‐E. Damber and has published in prestigious journals such as The Lancet, British Journal of Cancer and International Journal of Cancer.

In The Last Decade

P. O. Janson

43 papers receiving 2.1k 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.

Polycystic ovary syndrome and risk for myocardial infarction: Evaluated from a risk factor model based on a prospective population study of women

1992 439 citations Eva Dahlgren, P. O. Janson et al. Acta Obstetricia Et Gynecologica Scandinavica profile →
Women with polycystic ovary syndrome wedge resected in 1956 to 1965: A long-term follow-up focusing on natural history and circulating hormones

1992 435 citations Eva Dahlgren, S. Johansson et al. International Journal of Gynecology & Obstetrics profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
P. O. Janson Sweden	22	1.6k	914	431	342	257	44	2.2k
R. Jeffrey Chang United States	25	1.5k 1.0×	1.1k 1.2×	519 1.2×	146 0.4×	184 0.7×	47	2.3k
TAPIO RANTA Finland	26	578 0.4×	596 0.7×	729 1.7×	71 0.2×	275 1.1×	51	1.9k
R. Jeffrey Chang United States	37	3.0k 1.9×	2.4k 2.6×	899 2.1×	195 0.6×	150 0.6×	81	4.0k
Kenneth A. Steingold United States	17	1.3k 0.8×	835 0.9×	893 2.1×	142 0.4×	202 0.8×	25	2.1k
Christian De Geyter Switzerland	23	1.1k 0.7×	853 0.9×	197 0.5×	139 0.4×	212 0.8×	92	1.9k
James R. Givens United States	27	1.7k 1.0×	964 1.1×	1.4k 3.2×	189 0.6×	98 0.4×	56	2.8k
Raffaella Fabbri Italy	32	2.7k 1.7×	2.5k 2.7×	587 1.4×	112 0.3×	126 0.5×	119	3.6k
Orhan Bükülmez United States	31	1.8k 1.1×	900 1.0×	129 0.3×	118 0.3×	759 3.0×	91	2.6k
Randall B. Barnes United States	28	3.2k 2.0×	2.4k 2.6×	1.0k 2.4×	472 1.4×	375 1.5×	73	4.3k
D. W. POLSON United Kingdom	19	3.0k 1.8×	2.4k 2.6×	550 1.3×	218 0.6×	270 1.1×	40	3.5k

Countries citing papers authored by P. O. Janson

Since Specialization

Citations

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

Fields of papers citing papers by P. O. Janson

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by P. O. Janson. 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. O. Janson. The network helps show where P. O. Janson may publish in the future.

Co-authorship network of co-authors of P. O. Janson

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

All Works

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20 of 20 papers shown

Sverrisdóttir, Yrsa Bergmann, et al.. (2009). P1.7 Is polycystic ovary syndrome associated with high sympathetic nerve activity and size at birth?. Autonomic Neuroscience. 149(1-2). 62–62.

Zhu, Yihong, Mats Brännström, P. O. Janson, & Karin Sundfeldt. (2005). Differences in expression patterns of the tight junction proteins,claudin 1, 3, 4 and 5, in human ovarian surface epithelium as compared to epithelia in inclusion cysts and epithelial ovarian tumours. International Journal of Cancer. 118(8). 1884–1891. 70 indexed citations

Stener‐Victorin, Elisabet, Thomas Lundeberg, Ulla Waldenström, Indrė Bilevičiūtė-Ljungar, & P. O. Janson. (2001). Effects of electro-acupuncture on corticotropin-releasing factor in rats with experimentally-induced polycystic ovaries. Neuropeptides. 35(5-6). 227–231. 40 indexed citations

Sundfeldt, Karin, Karin Ivarsson, Maria Carlsson, et al.. (1999). The expression of CCAAT/enhancer binding protein (C/EBP) in the human ovary in vivo: specific increase in C/EBPβ during epithelial tumour progression. British Journal of Cancer. 79(7-8). 1240–1248. 83 indexed citations

Hamberger, Lars & P. O. Janson. (1997). Global importance of infertility and its treatment: role of fertility technologies. International Journal of Gynecology & Obstetrics. 58(1). 149–158. 23 indexed citations

Janson, P. O., et al.. (1997). Steroid Release from Two Human Epithelial Ovarian Tumors: Evidence for an Intrinsic Productionin Vitro. Gynecologic Oncology. 64(1). 99–104. 11 indexed citations

Adami, H-O, et al.. (1994). Parity, age at first childbirth, and risk of ovarian cancer. The Lancet. 344(8932). 1250–1254. 260 indexed citations

Dahlgren, Eva & P. O. Janson. (1994). Polycystic ovary syndrome - long-term metabolic consequences. International Journal of Gynecology & Obstetrics. 44(1). 3–8. 22 indexed citations

Dahlgren, Eva, P. O. Janson, S. Johansson, Leif Lapidus, & Anders Odén. (1992). Polycystic ovary syndrome and risk for myocardial infarction: Evaluated from a risk factor model based on a prospective population study of women. Acta Obstetricia Et Gynecologica Scandinavica. 71(8). 599–604. 439 indexed citations breakdown →

10.

Dahlgren, Eva, Lars Göran Friberg, S. Johansson, et al.. (1991). Endometrial carcinoma; ovarian dysfunction — a risk factor in young women. European Journal of Obstetrics & Gynecology and Reproductive Biology. 41(2). 143–150. 78 indexed citations

11.

Janson, P. O., et al.. (1990). An In Vitro Perfusion Method For Metabolic Studies On Human Postmenopausal Ovaries. Acta Obstetricia Et Gynecologica Scandinavica. 69(6). 527–532. 9 indexed citations

12.

Holmes, Paul, et al.. (1985). Effects of high and low preovulatory concentrations of progesterone on ovulation from the isolated perfused rabbit ovary. Reproduction. 75(2). 393–399. 24 indexed citations

13.

Cajander, Stefan, et al.. (1984). Studies on the morphology of the isolated perfused rabbit ovary. Cell and Tissue Research. 235(3). 565–73. 15 indexed citations

14.

Armstrong, David T., et al.. (1982). Ovarian responses of anoestrous goats to stimulation with pregnant mare serum gonadotrophin. Animal Reproduction Science. 5(1). 15–23. 40 indexed citations

15.

Dennefors, Bo, P. O. Janson, Lars Hamberger, & Folke Knutsson. (1982). Hilus cells from human postmenopausal ovaries: Gonadotrophin sensitivity, steroid and cyclic amp production. Acta Obstetricia Et Gynecologica Scandinavica. 61(5). 413–416. 26 indexed citations

16.

Einer‐Jensen, N., et al.. (1979). Exchange of krypton-85 between the blood vessels of the human uterine adnexa. Reproduction. 57(1). 137–142. 33 indexed citations

17.

Damber, Jan‐Erik & P. O. Janson. (1978). Testicular blood flow and testosterone concentrations in spermatic venous blood of anaesthetized rats. Reproduction. 52(2). 265–269. 41 indexed citations

18.

Selstam, Gunnar, P. O. Janson, & S Edén. (1976). Effect of LH on the release of cyclic AMP by the rabbit ovary perfused in vivo and in vitro. Reproduction. 46(2). 355–358. 7 indexed citations

19.

Janson, P. O. & P. Svendsen. (1975). ANGIOGRAPHIC STUDIES OF THE EXTRINSIC VASCULATURE OF THE RABBIT OVARY. Reproduction. 42(1). 175–178. 6 indexed citations

20.

Janson, P. O.. (1953). [Attempt at interpretation of the mechanism of action of Niehans fresh cell therapy].. PubMed. 15(5). 161–3. 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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