1Weed LA, Andersen HA. Etiology of broncholithiasis. Dis Chest, 1960,37:270-277.
2Carasso B, Couropmitree C, Heredia R. Egg-shell calcification causing bronchoesophageal fistula. Am Rev Respir Dis, 1973, 108:1384-1387.
3Case records of the Massachusetts General Hospital. Weekly clinicopathological exercises, Case 46-1991. A 64-year-old man with recurrent hemoptysis, a bronchoesophageal fistula, and broncholithiasis. N Eng J Med, 1991,325:1429-1436.
4Kelley WA. Broncholithiasis: current concepts of an ancient disease. Postgrad Med, 1979,66 :81-86,88,90.
5Ryberg AA, Gengler JS, Angelillo VA, et al. Broncholithiasis : case report and literature review. Nebr Med J, 1996,81 : 14-17.
6Dixon GF, Donnerberg RL, Schonfeld SA, et al. Advances in the diagnosis and treatment of broncholithiasis. Am Rev Respir Dis, 1984,129 : 1028-1030.
