Mini Review:_____________________________________________________________

Oxidative Stress and its Complications in Diabetes Mellitus

P. Goycheva, V. Gadjeva, B. Popov,…………….................................................................................                      1

PHARMACOECONOMICS IN EVALUATING HEALTH CARE DECISIONS

Zh. Tsokeva, K. Sokolova, S. Radev………………………………………………………………………….         9

Original Contributions:_____________________________________________________

Computed tomography imaging of pelvic urethra in male cats

R. Dimitrov, Y. Toneva…………………………………………………………………………………………       14

Ultrasonographic features of feline bulbourethral glands

R. Dimitrov, А. Russenov………………………………………………………………………………………      18

Effect of external gamma irradiation on rabbit spermatogenesis

S. Georgievа, P. Georgiev, S. Tanchev, Е. Zhelyazkov……………………………………………………          22

Comparative study of karyotype mutability in inbred and outbred rabbits after gamma irradiation

S.Tanchev, S. Georgieva, E. Zhelyazkov, B. Popov………………………………………………………..         27

Determination of tetracycline residues in Greek honey

M. Saridaki-Papakonstadinou, G. Andredakis, A. Burriel  ,I. Tsachev………………………………...            33

blood levels of some macro and trace elements in muscular dystrophy turkey-broilers reared under the condition of high animal welfare or stress

K. Stoyanchev, P. Petkov, K. Kirov, L. Tsokova, D.Kanakov…………………………………………….         37

HAEMATOLOGICAL STUDIES ON JIMSON WEED (DATURA STRAMONIUM) INTOXICATION IN HORSES

R. Binev, I. Valchev, J. Nikolov…..…………………………………………………………………………..          43

Microbiological investigation in dogs with perianal sacculites

V. Urumova………………………………………………………………………………………………….....          49

Clinical course of trichinosis in hospital patients from the region of Stara Zagora in bulgaria

L. Pekova, B. Chakarova, V. Filipova, S. Chakarov, N. Dimitrov, М. Fartounova, I. Kanelov,

I. Tsachev…………………………………………………………………………………………………….....        54

A case of invasive mixed cribriform breast cancer with areas of intraductal comedocarcinoma

V. Velev, A.  Matev, S.  Stratiev……………………………………………………………………..….                 59