1. Crystallographic study of rhinoliths;Abdel-Latif;J. Laryngol. Otol.,1979
2. On rhinoliths;Polson;J. Laryngol. Otol.,1943
3. Spontaner intra-antraler rhinolith;Poll;HNO,1987
4. Frontal sinolith;Grant;J. Laryngol. Otol.,1998
5. Rhinolith — its occurence and dental implications;Linderson;Tandlakartidningen,1988