conclusion according to the results of our series, percutaneous liver biopsy using the tru-cut biopsy gun guided by ultrasonography can be performed safely. we resolve that routine ultrasound of the puncture site is a quick, effective and safe procedure. the complication rate is very low. the us-assisted percutaneous liver biopsy should be used for all cases. results a total of 1018 patients we...

For many years pharmaceutical companies have established employee exposure limits for the active ingredients used in their products. Historically these limits were derived using traditional risk assessment methods. Because the trend in the pharmaceutical industry is to identify and develop more selective drugs of increasing potency, and because of the difficulty in identifying no-effect levels ...

The incineration of municipal waste has been the subject of controversy for many years and has been widely opposed because of concerns about the pollution of the air with toxic materials, particularly dioxins. Many incinerators have had to stop operation and many projects have been abandoned. At the same time, communities continue to be faced with the challenge of handling growing amounts of wa...

AIM This study was conducted to evaluate and compare the tissue reactivity and suture handling characteristics of chromic gut, silk, and 'jimat' suture materials in cat thigh muscle. MATERIALS AND METHODS This experimental study was conducted from November, 2013 to April, 2014 in Kombolcha Animal Diseases Survey, Research and Diagnostic Laboratory, Kombolcha, Ethiopia. A total of 36 local bre...