They're trying to figure out whether the problems with torcetrapib come from lowering HDL cholesterol, lowering a particular type of HDL cholesterol, or from some unique characteristic of the torcetrapib molecule itself.

NPR: Deaths Prompted Withdrawal of Cholesterol Drug

Characteristic of the Balkan region, Gjirokastra contains a series of outstanding examples of kule, a type of building which crystallized in the 17th century.

UNESCO: Safeguard and restoration of selected monuments within the World Heritage site of the Old City of Gjirokaster | United Nations Educational, Scientific and Cultural Organization