cellular manufacturing system is one of the most important applications of group technology. design of this system involves many structural and operational issues, in which the cell formation and production planning are two important steps. in this paper, a new mathematical model is proposed for integration of cell formation and production planning problems with the aim of minimizing the overal...

patients. in this disease the risk of many malignancies is increased, of which the most important is non- hodgkin lymphoma of the small intestine. other malignancies include adenocarcinoma of the small intestine and squamous cell carcinoma of the esophagus. to the best of our knowledge, thus far only one case of celiac disease associated with hypopharyngeal squamous cell carcinoma has been repo...