نتایج جستجو برای: respiratory system agents
تعداد نتایج: 2687225 فیلتر نتایج به سال:
Several novel 15-membered-ring macrolide agents (azalide 1, triamilides 2 and 3, and the azalide 3,6-ketal 4) were identified as potential antibacterial agents against Mannheimia (formerly named as Pasteurella) haemolytica, Pasteurella multocida, Haemophilus somnus and Actinobacillus pleuropneumoniae, important etiological agents of bovine and porcine respiratory disease. Compound 3 is the majo...
objectives we assessed the prevalence of three common viruses including; respiratory syncytial virus (rsv), human rhinovirus (hrv), and human metapneumovirus (hmpv), in children with acute wheezing. patients and methods ninety six wheezy children, 48 males (50%) and 48 females (50%)under the age of 5 years, were enrolled in the study. all patients visited as outpatients or inpatients when refer...
background: about 100,000 iranian have been exposed to chemical weapons during iraq‑iran conflict (1980‑88). after being spent of more than two decades, still about 30,000 of them are under follow‑up treatment. the main aim of this study was to review various preventive and therapeutic methods for injured patients with sulfur mustard in different phases. methods: for gathering information, we h...
Context: There have been two coronavirus-related pandemics during the past 18 years, including severe acute respiratory syndrome (SARS)-CoV and Middle East (MERS)-CoV in 2002 2012, respectively. In 2019, Seven years after emergence of MERS, a new coronavirus (i.e., SARS-CoV-2) was detected several patients. SARS-CoV-2 spread widely, its high prevalence enabled virus to start pandemic 2020. It i...
background & aim: the purpose of present study was to examine and validate the folk's claim of inhalation of monechma ciliatum seeds powder by traditional african natives for cold and allergic conditions, so as to formulate a useful therapeutic agent to respiratory tract infections. experimental: different extracts were bio-assayed in vitro for their bioactivity to inhibit the growth of pat...
RATIONALE Cleaning tasks may imply exposure to chemical agents with potential harmful effects to the respiratory system, and increased risk of asthma and respiratory symptoms among professional cleaners and in persons cleaning at home has been reported. The long-term consequences of cleaning agents on respiratory health are, however, not well described. OBJECTIVES This paper aims to investiga...
Although several clinical studies have suggested that some of the acute exacerbations of chronic bronchitis may be produced by certain viruses, the precise role of these agents in the pathogenesis of progressive chronic respiratory disease has not yet been defined.`8 The prolonged and complex natural history of chronic respiratory disease in man has made it extremely difficult to assess the rol...
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