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Field Trial Vaccination against Cowpox in Two Alpaca Herds.
Prkno A, Hoffmann D, Kaiser M, Goerigk D, Pfeffer M, Winter K, Vahlenkamp TW, Beer M, Starke A. Prkno A, et al. Viruses. 2020 Feb 20;12(2):234. doi: 10.3390/v12020234. Viruses. 2020. PMID: 32093320 Free PMC article.