Contributions are published in Polish with English abstract and summary, or in English.

Authors whose mother tongue is not English are suggested to have their manuscripts reviewed linguistically before submission.

The manuscript should be prepared using „MS Word”. „Times New Roman” font should be used, and the font size should be of 12pt.

All research articles should have the following sections: Title, Author(s) name(s), affiliation(s), and e-mail(s), Abstract, Key words, Introduction, Materials and methods, Results, Discussion, Conclusion (or Discussion and conclusions), Acknowledgement (if any) and References.

In the “Short communication”, the sections: Introduction, Materials and methods, Results, Discussion, Conclusion (or Discussion and conclusions) can be omitted and combined into one section.

For the references format refer to the papers in the latest issue of the journal.

Manuscripts should be sent by e-mail to the Editor-in-chief, prof.dr hab. Jerzy Lis (e-mail: cydnus@uni.opole.pl).

The manuscripts will be evaluated by two independent referees. Reviews are unilaterally anonymous (single blind peer-review).