Frey, H. Et Al. 2002. Foetal protection against bovine virus diarrhoea virus after two-step vaccination. JOURNAL OF VETERINARY MEDICINE SERIES B-INFECTIOUS DISEASES AND VETERINARY PUBLIC HEALTH , vol.49, no.10 , 489-493.

Frey, H., Eicken, K., Grummer, B., Kenklies, S., OĞUZOĞLU, T. Ç., & Moennig, V., (2002). Foetal protection against bovine virus diarrhoea virus after two-step vaccination. JOURNAL OF VETERINARY MEDICINE SERIES B-INFECTIOUS DISEASES AND VETERINARY PUBLIC HEALTH , vol.49, no.10, 489-493.

Frey, HR Et Al. "Foetal protection against bovine virus diarrhoea virus after two-step vaccination," JOURNAL OF VETERINARY MEDICINE SERIES B-INFECTIOUS DISEASES AND VETERINARY PUBLIC HEALTH , vol.49, no.10, 489-493, 2002

Frey, HR Et Al. "Foetal protection against bovine virus diarrhoea virus after two-step vaccination." JOURNAL OF VETERINARY MEDICINE SERIES B-INFECTIOUS DISEASES AND VETERINARY PUBLIC HEALTH , vol.49, no.10, pp.489-493, 2002

Frey, H. Et Al. (2002) . "Foetal protection against bovine virus diarrhoea virus after two-step vaccination." JOURNAL OF VETERINARY MEDICINE SERIES B-INFECTIOUS DISEASES AND VETERINARY PUBLIC HEALTH , vol.49, no.10, pp.489-493.

@article{article, author={HR Frey Et Al. }, title={Foetal protection against bovine virus diarrhoea virus after two-step vaccination}, journal={JOURNAL OF VETERINARY MEDICINE SERIES B-INFECTIOUS DISEASES AND VETERINARY PUBLIC HEALTH}, year=2002, pages={489-493} }