phosphorus (p) is one of the most vital elements for all living organisms which acts as aconstituent of essential biomolecules such as nucleic acids, phospholipids, and phosphosugars,and as a major contributor to almost all metabolic reactions including photosynthesis,respiration, and energy delivery. it is one of the most needed nutrients for plant growth anddevelopment. despite high levels of...

background: cocaine poisoning is known for causing severe clinical effects such as tachycardia, hypertension, agitation and confusion. absence of clinical manifestations in cocaine poisoning is unusual. case report: a 26-year old man, known to be a cocaine addict, declared that he was forced by cocaine dealers to swallow many tablets of cocaine, six hours prior to admission to emergency departm...

silent sinus syndrome(sss) is a rare clinical condition. in this report, we are presenting a 58 years old woman with chief complain of right global pain. all ophthalmic examinations were normal. in ct-scan of para nasal sinuses right maxillary sinus volume was decreased but she had no sinonasal symptoms.

abstract circassians are one of the ethnic groups in the south-west of the caucasus who speak circassian language which is one of the branches of the north-east caucasus languages (ebrian-caucasian). this ethnic branch includes the caucasian ethnic abkhaz-adygian group, which are nowadays divided in three republics in the north caucasus kabardino-balkaria, karachay-cherkessia and adygeya. by us...

background: osteonecrosis (on) is known to be one of the most disabling complications following corticosteroid (cs) medications. however, evidence regarding risk of asymptomatic prevalence of on among different diseases and the impact of variable steroid regimens are conflicting. we aimed to determine the prevalence of on of femoral head in asymptomatic patients with systemic rheumatic diseases...