Can't open the link. But, from looking at the name, I'm guessing there's a mission called doctors orders I should check out.
Yep once you get to wildlife preserve in the story talk to Tannis and get the doctors orders quest. Don't pick up any of the echoes on the way to Bloodwing and don't open the gate to him. You can open the 4 boxes in the room with the chest before the gate and a midget will jump out of each one. I'm pretty drunk right now so someone can probably explain it better.
I really want to quote the last two sentences in this paragraph --- Pokemon White FC: 4170-4725-7749