1. Disorders of pigmentation;Hurwitz,1981
2. Vitiligo, what is it? Is it important?;Lerner;JAMA,1978
3. Metabolic bone disease;McGuire,1989
4. Paget's disease;Resnick,1981
5. Current concepts of Paget's disease of bone;Merkow;Orthop Clin North Am,1984