Cross section of the equine infectious anemia virus.

Source:The USDA's Animal and Plant Health Inspection Service Veterinary Services [1] archive copy at the Wayback Machine, which has a reprint of the brochure entitled "EIA--A Status Report on Its Control (1996)", created by Dr. Tim Cordes, a senior staff veterinarian with the National Animal Health Staff, Veterinary Services, Animal and Plant Health Inspection Service, U.S. Department of Agriculture, Riverdale, MD.

这张图片或文件是美国农业部雇员在工作时创建的作品。作为美国联邦政府的一项作品，这个作品属于公有领域。 English ∙ español ∙ Nederlands ∙ slovenščina ∙ Tiếng Việt ∙ македонски ∙ русский ∙ українська ∙ 日本語 ∙ +/−