Source:http://linkedlifedata.com/resource/umls/id/C1710680
NCI: Dogs of the Working Group were bred to perform such jobs as guarding property, pulling sleds and performing water rescues. The Doberman Pinscher, Siberian Husky and Great Dane are included in this Group, to name just a few. Quick to learn, they are intelligent, capable animals. (American Kennel Club)