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Mahboubi, E., J. Kmet, P. J. Cook, N. E. Day, P. Ghadirian, and S. Salmasizadeh. Oesophageal Cancer Studies in the Caspian Littoral of Iran: The Caspian Cancer Registry. Nature Publishing Group, 1973.

Mahboubi, E., et al. Oesophageal Cancer Studies in the Caspian Littoral of Iran: The Caspian Cancer Registry. Nature Publishing Group, 1973.