1. Riga's Disease (Cachectic Aphthae);Bray;W. Va. Med. J.,1927
2. A Case of Double Riga's Disease;Newman;Br. J. Child. Dis.,1935
3. Oral Lesions in Childhood;Jacobs;Oral Surg.,1956
4. Sublingual Growth in Infants;Amberg;Am. J. Med. Sci.,1902
5. Sublingual Growth—Riga's or Fede's Disease;Bradley;J. Med.,1932