1. Cancer Registry Report of Turkey 1993–1994,1997
2. Bilir N. Turkey National Histopathology Survey, 1977. In Parkin DM, ed. Cancer Occurrence in Developing Countries, IARC Scientific Publication No. 75. Lyon, France, The International Agency for Research on Cancer, 1986.
3. Cancer Registry Report of Turkey 1991–1992,1884
4. Cancer Statistics in Turkey and in the World (1990–1992);Firat,1998
5. Cancer incidence in migrants to New South Wales (Australia) from the Middle East, 1972–91;McCredie;Cancer Causes Control,1994