SCIndex: Serbian citation index ( http://scindex.nb.rs/) contains over 21500 articles from 357 different Serbian journals from 2000. on, and in social sciences from 1991 on. It is useful for verification purposes, as long as one remembers to also check with National Library of Serbia's catalogs and databases when the citation you are looking for is not found on SCIndex.
Slovenian Library Online (Digitalna knjiznica Slovenije) is a portal with collection of key scientific and scholarly journals. The portal offers the full searchable text and also provides a search by bibliographic data. Availability of specific journal issues depends on publishers. http://www.dlib.si/vsebina_eng.asp?id=zbirke Articles are available as PDF documents and also as a html preview.
Termedia Publishing House http://www.termedia.pl/ publishes medical journals which might be of interest to those interested in international science publications. One can chose between an abstract or full text articles. Every article is in a PDF form, and available for free, one time registration is necessary. Journals are in English or in Polish language. Polish language journals are shown in parenthesis (PL).