Bobblehead - Medicine

The  is a Vault-Tec Bobblehead found in Fallout 3. When collected, it increases the Medicine skill permanently by 10.

Location
The bobblehead is located on your father's desk, in Vault 101's clinic. It can be obtained during Future Imperfect, Escape!, or Trouble on the Homefront, but after all three quests are complete, the Vault will be permanently sealed. In Trouble on the Homefront, it will be on a small cart in front of the blood spattered window.

A way to get it any time after Trouble on the Homefront
The only way you can get this one after trouble on the homefront is to do what butch wants you to do.

Videos
Obtaining Bobblehead Medicine oDLXKIj8fCA