The dog's ability to close its eyelids completely ... A fluorescein dye strip is wetted with sterile saline eye wash and touched to the sclera or conjunctiva of each eye (Fig.
A couple of weeks ago, I took a look at the mystery of when the first dog was domesticated — and by whom. The answer is at least 14,000, and quite possibly as much as 35,000 years ago. As for who, the ...
当前正在显示可能无法访问的结果。
隐藏无法访问的结果