1. Author's response to letter;Rosai;Am J Surg Pathol,1999
2. The management of patients with adenocarcinoma of unknown primary site;Greco;Semin Oncol,1989
3. Metastasis of unknown origin;Haskel;Curr Probl Cancer,1988
4. Metastases of undetermined source;Krementz;Curr Probl Cancer,1979
5. The need to consider survival, outcome, and expense when evaluating and treating patients with unknown primary carcinoma;Schapira;Arch Intern Med,1995