1. Survey on mid-occlusal tubercles in bicuspids;Wu;China Stomatol Mag,1955
2. Odontomes of the axial core type;Lau;Br Dent J,1955
3. The Tuberculated premolar;Oehlers;Dent Pract,1956
4. Occlusal anomalous tubercles on premolars of Alaskan Eskimos and Indians;Merrill;Oral Surg,1964
5. Evaginated odontomes in the Keewatin Eskimo;Curzon;Br Dent J,1970