Is this Birch New?

BIRCH : A New Data Clustering Algorithm andIts

Data clustering is an important technique for exploratory data analysis, and has been studied for several years. It has been shown to be useful in many practical domains such as data classiication and image processing. Recently, there has been a growing emphasis on exploratory analysis of very large datasets to discover useful patterns and/or correlations among attributes. This is called data m...

This is dedicated to our former chairman Dr. Mahmoud Rohani

Cocaine-induced vasculitis: is this a new trend?

Cocaine-induced vasculitis is a rare complication found in drug abusers. It occurs due to cocaine adulterated with levamisole. Levamisole was once used as a chemotherapy and immunomodulator for different conditions. One of the side effects of this medication is necrotizing vasculitis which has been reported in the US and Puerto Rico. Here we present another case of cocaine induced vasculitis in...

Is grandmultiparity a significant risk factor in this new millennium?

The aim of the study was to assess the outcomes of grandmultiparous women receiving the current obstetric care in Maternity Hospital Kuala Lumpur. Recent data regarding some of the complications are conflicting and the significance of grandmultiparity is now in question. Therefore, a retrospective cohort study of 237 grandmultiparous and 254 multiparous women were undertaken. Chi-squared and t ...

an unusual combination of acetabular and pelvic fracture: is this a new subtype of acetabular fracture?

conclusions we recognized this type of fracture and treated it similarly to both column fractures. we recommend that the classification of acetabular fractures be modified to include this type of fracture. introduction acetabular fractures are a common problem among young males. an acetabular fracture with disruption of the joint surface, if untreated, will rapidly lead to post-traumatic osteoa...