Economic impact of urogenital diseases in the gilt: the use of portfolio theory to minimize economic risk associated with post-epidemic breeding management.
作者信息
Parsons T D, Galligan D T, Dial G, Johnstone C
出版信息
Acta Vet Scand Suppl. 1988;84:415-8.
PMID:3232649
Abstract
摘要
Zotero 插件