4Berthelotp.Walker JG. Sherlocks. Reid L. Arterial changes in the lungs in chrnosis of the lwer-lung spider nevi[J].N Engl J Med, 2006,274:291.
5Startey NN.Woodgate DJ ,Mottled chest radiograph and gas transfer defect in chronic live disease[J].Thorax ,2005,27:315.
6Carrington CB ,Gaensler EA ,Coutu RE.Fitzgerald Mx,Nafural history and treated course of usual and desquamative interstitial pneumonitis[J].N Engl J Med,2006,298:801.