1. Gorlin, R. J., A. P. Chandhry, andJ. J. Pindborg: Odontogenic Tumors. Cancer14, 71?101 (1961).
2. Koss, L. G.: Diagnostic Cytology and its Histopathologic Bases, p. 152. Philadelphia-Montreal: J. B. Lippincott Comp. 1961.
3. Klinck, G. H., andT. Winship: Psammoma Bodies and Thyroid Cancer. Cancer12, 656?662 (1959).
4. Kraus, E. J.: Die Hypophyse. InF. Henke andO. Lubarsch: Handbuch der Speziellen Pathologischen Anatomie und Histologie, Vol. VIII, p. 878. Berlin: Springer 1926.
5. Plaut, A., andE. Galenson: Concretions in anterior pituitary lobe of human embryo and newborn. Amer. J. Path.20, 223?237 (1944).