If you think that hospitals are sterile, slightly eerie and entirely humorless places, then these nurses and doctors are here to prove you wrong! Not only they've made their hospitals seem like the most festive places to be during the Christmas time, but did so with a great sense of humor, by using stuff like blood vials and even urinals as their Christmas decorations of choice. A Christmas tree made of semi-sterile gloves? Check. Babies wrapped warmly in Christmas stockings? Yep. A…