منابع مشابه
Asthma prevalence in 1973, 1988 and 2003.
BACKGROUND A study was undertaken to see whether the prevalence of asthma has changed since a survey was conducted in 1988, using the same methods that showed an increase during the previous 15 years. METHODS A survey of 12 year old children was conducted in schools in South Wales where surveys had taken place in 1973 and 1988. The survey comprised a parentally completed questionnaire and an ...
متن کاملCasenote MCDONNELL DOUGLAs , 1973 - 2003 : MAY YOU REST IN PEACE ?
All this was a long time ago, I remember, And I would do it again, but set down This set down This: were we led all that way for Birth or Death? There was a Birth, certainly, We had evidence and no doubt. I have seen birth and death, But had thought they were different; this Birth was Hard and bitter agony for us, like Death, our death. We returned to our places, these Kingdoms, But no longer a...
متن کامل1 Alma Memo # 512 Atmospheric Transparency at Chajnantor : 1973 - 2003
Atmospheric conditions at Chajnantor have been monitored since April 1995. Starting then, the National Radio Astronomy Observatory (NRAO), joined by the European Southern Observatory (ESO), Onsala Space Observatory (OSO), and the Nobeyama Radio Observatory (NRO), have operated atmospheric and weather monitoring equipment to characterize the observing conditions for a large radio interferometer ...
متن کاملde 19 años : una revisión sistemática
Objetivo. Evaluar la asociación entre la exposición a los principales contaminantes químicos del agua de consumo humano (ACH) y el aumento de casos de cáncer en menores de 19 años. Métodos. Se realizó una revisión sistemática de la literatura científica recogida en las bases de datos MEDLINE (via PubMed©), EMBASE©, Web of Knowledge, Cochrane Library Plus, Literatura Latinoamericana y del Caribe...
متن کاملOral health among 35 - year - olds in Oslo , Norway . A summary of time trends 1973 - 2003
Background: Oral health conditions have been investigated in 35-year-old Oslo citizens in four cross-sectional, age-specific epidemiological studies performed in 1973, 1984, 1993 and 2003. The main aim of the series of investigations was to monitor changes in oral health, including dental caries and endodontic and periodontal conditions. Data will give clues to what extent the documented improv...
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ژورنال
عنوان ژورنال: Revista musical chilena
سال: 2003
ISSN: 0716-2790
DOI: 10.4067/s0716-27902003019900002