This map shows the geographic impact of Heinonen Op'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 Heinonen Op with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Heinonen Op more than expected).
This network shows the impact of papers produced by Heinonen Op. 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 Heinonen Op. The network helps show where Heinonen Op may publish in the future.
Co-authorship network of co-authors of Heinonen Op
This figure shows the co-authorship network connecting the top 25 collaborators of Heinonen Op.
A scholar is included among the top collaborators of Heinonen Op 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 Heinonen Op. Heinonen Op is excluded from
the visualization to improve readability, since they are connected to all nodes in the network.
Manninen, Vesa, Leena Tenkanen, Pekka Koskinen, et al.. (1992). Joint effects of serum triglyceride and LDL cholesterol and HDL cholesterol concentrations on coronary heart disease risk in the Helsinki Heart Study. Circulation. 85. 37–45.312 indexed citations
Op, Heinonen, et al.. (1987). Prevalence of allergic symptoms in rural and urban populations.. PubMed. 152. 64–9.14 indexed citations
7.
Op, Heinonen, et al.. (1987). Incidence of clinically confirmed farmer's lung in Finland and its relation to meteorological factors.. PubMed. 152. 47–56.27 indexed citations
8.
Albanes, Demetrius, Jarmo Virtamo, Matti Rautalahti, et al.. (1986). Pilot study: the US-Finland lung cancer prevention trial. STM:n Hallinnonalan avoin julkaisuarkisto (Julkari).23 indexed citations
9.
Tikkanen, J. & Heinonen Op. (1984). [Maternal drug therapy as a risk factor for congenital heart disease].. PubMed. 100(11). 647–55.1 indexed citations
10.
Koskimies, S., et al.. (1982). HLA and farmer's lung.. PubMed. 63(4). 361–2.8 indexed citations
11.
Koskimies, S., et al.. (1982). Antigenic determinants on B cells of farmer's lung patients.. PubMed. 63(4). 363–6.2 indexed citations
12.
Op, Heinonen, H Poppius, Minna Tamminen, & Arpo Aromaa. (1972). [Smoking and mortality in a Finnish population].. PubMed. 88(20). 1239–44.2 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.