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Lozenka Ivanova
Institute of Biology, Faculty of Natural Sciences and Mathematics,
Ss Cyril and Methodius UniversitySkopje, Macedonia (the former Yugoslav Republic of)
Florina Popovska-Percinic
Faculty of Veterinary Medicine,
Ss Cyril and Methodius UniversitySkopje, Macedonia (the former Yugoslav Republic of)
Valentina Slavevska-Stamenkovic
Institute of Biology, Faculty of Natural Sciences and Mathematics,
Ss Cyril and Methodius UniversitySkopje, Macedonia (the former Yugoslav Republic of)
Maja Jordanova
Institute of Biology, Faculty of Natural Sciences and Mathematics,
Ss Cyril and Methodius UniversitySkopje, Macedonia (the former Yugoslav Republic of)
Katerina Rebok
Institute of Biology, Faculty of Natural Sciences and Mathematics,
Ss Cyril and Methodius UniversitySkopje, Macedonia (the former Yugoslav Republic of)