By Stoev Stoycho D   Grozeva N   Simeonov R   Borisov I   Hubenov H   Nikolov Y   Tsaneva M   Lazarova S   in Experimental and Toxicologic Pathology

ISSN:0940-2993|55|4|309-314

Urban & Fischer‎(2003)‎

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By Simeonov R.   Simeonova G.   in Veterinary Research Communications

ISSN:0165-7380|31|5|553-558

Springer Publishing Company ‎(2007)‎

Access to resources Favorite 3.0910063