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Abbreviations: AIDS, acquired immune deficiency syndrome; ARDS, adult respiratory distress syndrome; BAL, bronchoalveolar lavage; CSF, cerebrospinal fluid; CMV, cytomegalovirus; CNS, central nervous system; CT, computed tomography; DNA, deoxyribonucleic acid; EIA, enzyme immunoassay; GMS, Grocott methenamine-silver; HIV, human immunodeficiency virus; HPLC, high performance liquid chromatography...

nigella sativa (ns) (ranunculaceae family) is generally utilized as a therapeutic plant all over the world. the seeds of the plant have a long history of use in different frameworks of medicines and food. in islamic literature, it is considered as one of the greatest forms of therapeutics. it has been widely used to treat nervous system diseases such as memory impairment, epilepsy, neurotoxicit...

allergic rhinitis is a chronic respiratory disease. sympathetic hypofunction is identified in all of the allergic rhinitis patients. moreover, allergic rhinitis is associated with decreased peak nasal inspiratory flow (pnif) and impaired lung functions. the aim of this study was to investigate effects of six-week of aquatic exercise on the autonomic nervous system function, pnif and lung functi...

chronic constipation is still considered a functional or idiopathic disorder. however, in recent years there is evidence that its pathopysiological grounds may be actually due to a complex system of abnormalities of the enteric nervous system of these patients. in particular, as reported in this review, the enteric glial cells seem to be constantly involved in constipated patients, suggesting t...

involvement of the peripheral nervous system is one of the complications of multiple myeloma with a varying incidence of clinical and subclinical neuropathy in different studies. as most of the patients with multiple myeloma suffer from generalized systemic symptoms such as malaise, bone and low back pain, the clinical clues to the diagnosis of the neuropathy in its initial stages could be igno...

The present study was carried out to examine possible differential silver distribution among several tissues of three marine invertebrate species: the shrimp Penaeus duorarum, the sea hare Aplysia californica, and the sea urchin Diadema antillarum. Animals were exposed to sub-lethal concentrations of silver (1 or 10 microg/L) in seawater for 48 h. In gill-breathing species (shrimp and sea hare)...