Current Issue
Volume 34, Issue 2 of Rheumatology (Bulgaria) presents a clinically focused and thematically balanced collection of articles covering original research, narrative reviews, and rare case-based diagnostic challenges in contemporary rheumatology. The issue includes an original study on the endocrine and metabolic profile of women with rheumatoid arthritis, review articles addressing the interpretation of antinuclear antibodies, synovial fluid crystal analysis, oxidative stress biomarkers in fibromyalgia, and the relationship between capillaroscopic findings and autoantibody profiles in systemic sclerosis, as well as case reports discussing complex overlaps between psoriatic arthritis and inflammatory myopathy, rheumatoid arthritis and granulomatosis with polyangiitis, and polyarteritis nodosa and antiphospholipid vasculopathy. Overall, the issue emphasizes precise differential diagnosis, careful interpretation of laboratory and imaging biomarkers, and the need for continuous clinical reassessment in atypical, overlapping, or treatment-refractory rheumatological presentations.
Announcements
Transition to Gold Open Access Model and Introduction of Article Processing Charges (APC)
The Editorial Board of Rheumatology (Bulgaria) announces a revision of the journal’s publication and financial model, effective 1 August 2026. From this date, the journal will operate under a structured Gold Open Access model.
To support editorial management, technical maintenance, DOI registration, indexing, archiving, and online publication, an Article Processing Charge (APC) of EUR 100 will apply to accepted manuscripts submitted on or after 1 August 2026.
The following article types will remain free of charge: invited Editorials, invited Reviews, Letters to the Editor commissioned by the Editorial Office, and other manuscripts specifically commissioned by the Editorial Office.
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Open Access Policy and Author Requirements
Rheumatology (Bulgaria) operates under a fully Open Access model. All articles are published under the Creative Commons Attribution 4.0 International (CC BY 4.0) license.
All submissions must be prepared in English, including the full text and metadata. A Bulgarian abstract with keywords may be present.
The journal adheres to international standards of publication ethics and transparent editorial practice.
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Articles in Press Now Available
Rheumatology (Bulgaria) has introduced an Articles in Press publication model.
Accepted manuscripts are now published online immediately after final editorial approval and production, prior to assignment to a specific issue. Each article receives a permanent DOI upon publication and is fully citable.
This model ensures rapid dissemination of clinically relevant and scientifically robust research in rheumatology and related fields.
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Articles
Reviews
Rheumatology (Bulgaria) is a peer-reviewed, Gold Open Access journal owned by the Bulgarian Society for Rheumatology. Manuscripts submitted after August 1, 2026, that are accepted for publication are subject to an Article Processing Charge (APC). All published content is made available fully and immediately upon publication, ensuring unrestricted global access for all readers.
Indexing: Scopus; EMBASE (Excerpta Medica); Google Scholar; CrossRef; Central Medical Library – Bulgaria; Bulgarian Medical Literature Database; Open Ukrainian Citation Index (OUCI).
ISSN: Online 2738-831X · Print 1310-0505