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Abstract. Several previous studies highlight pressure (or equivalently, pressure altitude) discrepancies between the radiosonde pressure sensor and that derived from a GPS flown with the radiosonde.… Continue Reading
In considering the likelihood of South Africa (SA) attaining the 2015 Millennium Development Goals, many health issues require urgent attention. The adverse effect of insufficient or excessive… Continue Reading
To estimate potential sunburn risk for schoolchildren and outdoor workers, ground-based ambient solar ultraviolet radiation (UVR) measurements were converted into possible child (5% of ambient solar… Continue Reading
In this study the sensitivity of the erythemally effective radiation to uncertainties in operationally measured total ozone content of the atmosphere (TOC) was estimated. For this, daily operational… Continue Reading
Multidrug-resistant(MDR) tuberculosois (TB), defined as TB caused by strains resistant to both isoniazid and rifampicin,has for many years been a well recognised but poorly defined problem in South… Continue Reading