THEODOROPOULOS (Γ. ΘΕΟΔΩΡΟΠΟΥΛΟΣ) G., KOSTOPOULOS (Ι. ΚΩΣΤΟΠΟΥΛΟΣ) J., KALOGIANNIS (Δ. ΚΑΛΟΓΙΑΝΝΗΣ) D. и PETRAKOS (Γ. ΠΕΤΡΑΚΟΣ) G. 2018. Seasonal variation of plasma pepsinogen of sheep in the area of Tricala, Greece. Journal of the Hellenic Veterinary Medical Society. 49, 1 (янв. 2018), 54–58. DOI:https://doi.org/10.12681/jhvms.15746.