1. The Committee for the National Registry of Retinoblastoma. National registry of retinoblastoma in Japan (1975–1982). Acta Soc Ophthalmol Jpn. 1992;96:1433–42.
2. American Joint Committee on Cancer. AJCC cancer staging manual. 3rd ed. Philadelphia: Lippincott; 1988. p. 237–40.
3. American Joint Committee on Cancer. AJCC cancer staging manual. 4th ed. Philadelphia: Lippincott; 1992. p. 235–8.
4. American Joint Committee on Cancer. AJCC cancer staging manual. 5th ed. Philadelphia: Lippincott-Raven; 1997. p. 269–72.
5. American Joint Committee on Cancer. AJCC cancer staging manual. 6th ed. Berlin: Springer; 2002. p. 371–8.