Classic example is endostatin, which seems to cure cancer in mice, but not in humans.
There's also thalidomide, marketed as a morning sickness treatment. Safe in rats and mice, caused thousands of kids to be born with birth defects.
Also: chocolate is poisonous to dogs. Bless their hearts.
You should always Be skeptical of your data Private or Broken Links
The page you're looking for is either not available or private!
, and even more so when it's drawn from a different population than the one you're interested in.