Deletions of both alpha 5 (IV) and alpha 6 (IV) collagen genes in Alport Syndrome and in Alport syndrome associated with smooth muscle tumours. - Heidet,L.; Dahan,K.; Zhou,J.; Xu,Z.; Cochat,P.; Gould,J.D.; Leppig,K.A.; Proesmans,W.; Guyot,C.; Guillot,M.; Eto,T. (Hum Mol Gen, 1995)