Ralston, Stuart H. (Feb 14,2013). "Paget's Disease of Bone". New England Journal of Medicine. 368 (7): 644–650. doi:10.1056/NEJMcp1204713. PMID23406029.Periksa nilai tanggal di: |date= (bantuan)
nih.gov
ncbi.nlm.nih.gov
Ralston, Stuart H. (Feb 14,2013). "Paget's Disease of Bone". New England Journal of Medicine. 368 (7): 644–650. doi:10.1056/NEJMcp1204713. PMID23406029.Periksa nilai tanggal di: |date= (bantuan)