introduction and aims: previous reports show a high proportion of young crc patients in iran. in this study we aim to look for the clustering of colorectal cancer in families of a series of crc patients from iran. materials and methods: the family history of cancer is traced in 449 crc patients of which 112 were 45 years or younger and 337 were older than 45years at time of diagnosis. the patie...

purpose : to study the age and gender specific history of ocular trauma in the population of tehran methods : using a stratified cluster sampling approach, 6,497 residents of tehran were selected. participants were transferred to an eye clinic to have complete eye examinations. during the interview, participants were asked about any history of ocular trauma, and any treatment or hospitalization...