environmental protection has become one of the main concerns in developed economies, which is why an increasing degree of commitment in the field is required from all public and private bodies. environmental protection in firms must cease to be a secondary, barely profitable objective, involving the performance of sporadic remedial actions, and become just one more element of their organization...

Hypoxia stimulates ventilation, but when it is sustained, a decline in the ventilatory response is seen. The mechanism responsible for this decline lies within the CNS, but still remains unknown. In this study, we attempted to elucidate the possible role of hypoxia-induced depression of respiratory neurons by comparing the ventilatory response to hypoxia in intact rats and those with denervated...

results aflatoxins have been found in many food products in iran. conclusions it is necessary to detect aflatoxins in foods and food products as early as possible, before they enter human or animal bodies. there is a high consumption of milk and dairy products in iran, and the proper management of animal foods can help to decrease the aflatoxins in milk. evidence acquisition in consideration of...

placement of narcotics inside intestinal tract of passengers and their illegal transfer through police stations and customs is called body packer or body bagger syndrome.in other parts of the world transfer of cocaine by this method has been reported.this prospective study was done with the help of Anti-narcotic Agency on the transfer of opium and heroin packages from Fenruary 1996 to January 1...

Parkinson’s disease with dementia (PDD) and dementia with Lewy bodies (DLB) are common clinical dementias characterized neuropathologically by the presence of cortical Lewy body pathology and with distinct clinical and neurobiological similarities. Importantly, genetic factors seem to play a key role in the pathogenesis of Parkinson’s disease. In the current article, we examine the evidence for...

Six cases of cardiovascular foreign bodies secondary to trauma are presented. The various modes of entry and travel within the vascular are reviewed. Routine radiographic examination and angiography are shown to be the most useful techniques in defining the location and subsequent course of the foreign body in the vascular system.

Particle disease is a loss of bone that commonly occurs about five years after arthroplasty. The cause is secondary to microabrasive wear and shedding of any portion of the prosthesis, and the microscopic foreign bodies activate inflammation which can lead to pain. This report describes the imaging findings of an 80-year-old female with particle disease detected with 18F-fluoride PET/CT.

Malakoplakia is a pseudogranulomatous disorder secondary to an still unknown de - feet in some stages of phagocytosis.  We have reported a 3 year-old girl afflicted with this defect, who was admit­ted to Loghman Hospital' Pediatrics Department with severe pallor, abdominal mass and loonstanding history of dysentery prior to hospitalisation. Inconclusive clinical and B.M. Investigations rendered...