1. Offensive breath;Hawxhurst;D. Register.,1873
2. Origin of mouth odors—halitosis;Crohn;New York J. Den.,1942
3. Halitosis: variations in mouth and total breath odor intensity resulting from prophylaxis and antisepsis;Morris;J. D. Res.,1949
4. The breath and the diseases which give it a fetid odor;Howe,1874
5. Odor: a proposal for some basic definitions;Sagarin,1954