Source:
Veterinarno-meditsinski nauki [Vet Med Nauki] 1979; Vol. 16 (2), pp. 88-92.Publisher: Izdatelstvo Na Bulgarskaia Akademiia Na Naukite Country of Publication: Bulgaria NLM ID: 0414760 Publication Model: Print Cited Medium: Print
Source:
Veterinarno-meditsinski nauki [Vet Med Nauki] 1979; Vol. 16 (9), pp. 71-4.Publisher: Izdatelstvo Na Bulgarskaia Akademiia Na Naukite Country of Publication: Bulgaria NLM ID: 0414760 Publication Model: Print Cited Medium: Print