Changing Trends in Asthma in 9–12 Year Olds Between 1964 and 2009
نویسندگان
چکیده
منابع مشابه
Changing trends in the abundance and biomass of cyanobacteria in the southern part of the Caspian Sea in 2009 (The stretch between Tonekabon and Amirabad)
Changes in abundance and biomass of cyanobacteria have been studied in the southern part of the Caspian Sea (the stretch between Tonekabon and Amirabad) in four seasons (spring, summer, autumn, winter) in which samples were taken from five depths of 5, 10, 20, 50 and 100 meters in the stations of Tonekabon, Noushahr, Babolsar and Amirabad. Samples were fixed in formalin (2-2.5%) before transfer...
متن کاملChanging trends in the abundance and biomass of cyanobacteria in the southern part of the Caspian Sea in 2009 (The stretch between Tonekabon and Amirabad)
Changes in abundance and biomass of cyanobacteria have been studied in the southern part of the Caspian Sea (the stretch between Tonekabon and Amirabad) in four seasons (spring, summer, autumn, winter) in which samples were taken from five depths of 5, 10, 20, 50 and 100 meters in the stations of Tonekabon, Noushahr, Babolsar and Amirabad. Samples were fixed in formalin (2-2.5%) before transfer...
متن کاملChanging trends in characteristics of infantile hydronephrosis
Background : Hydronephrosis (HN) or calycial dilatation is the most common prenatal urologic abnormality. The aim of this study was to identify the possible changes in demographic and clinical manifestations of infantile HN in previously and recently diagnosed patients. Methods : 193 children with infantile HN admitted to Ali-asghar Children's Hospital in two different periods (group 1 1997...
متن کاملAsthma and behavior in homeless 4- to 7-year-olds.
OBJECTIVE Low-income, urban, ethnic minority children have higher rates of asthma, more severe symptoms, and more management issues, as well as high risk for academic and behavior problems. This study focused on asthma reported in young children who resided in a family emergency homeless shelter. Asthma rates were considered along with their relation to hospitalization and emergency department ...
متن کاملcohesion and cohesive devices in a contrastive analysis between ge and esp texts
the present study was an attempt to conduct a contrastive analysis between general english (ge) and english for specific purposes (esp) texts in terms of cohesion and cohesive devices. to this end, thirty texts from different esp and ge textbooks were randomly selected. then they were analyzed manually to find the frequency of cohesive devices. cohesive devices include reference, substitution, ...
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ژورنال
عنوان ژورنال: Pediatrics
سال: 2011
ISSN: 0031-4005,1098-4275
DOI: 10.1542/peds.2011-2107bbb