Source:http://linkedlifedata.com/resource/umls/id/C1710074
NCI: The Shih Tzu is a small, sturdy dog with a double coat of long hair lined with a woolly undercoat. It has large, round eyes and pendant ears. The head is rounded, with a profuse beard and mustache, short hairy muzzle, and black nose (except in liver-colored dogs which have liver noses). Height: Up to 11 inches (28 cm.) Weight: 9-16 pounds (4-7 kg.) (dogbreedinfo.com)