OBJECTIVE To analyse trends in road traffic crashes, injuries and fatalities over 75 years in Sri Lanka. METHODS Data on road traffic crashes, injuries and fatalities between 1938 and 2013 were obtained from the Police Statistics Unit. Rates per 100,000 population were calculated and trends were analysed using joinpoint regression analysis. FINDINGS Road traffic crashes and injuries rose su...

This paper presents an approach for estimating the impact of migrant workers on wage of native workers. If a particular group of native workers is replaced by migrant workers, the wages of the native workers will decline. The reduction of the wages of native workers may depend on how easily their jobs can be taken to migrant workers. Second, if migrant workers complement a particular group of n...

Mycoplasmas are very fastidious in their nutritional requirements for in vitro growth and have limited biosynthetic capacity, a reflection of their reduced genomes. As a result, these bacteria depend upon external metabolites for nutrition and growth and have developed dependence on their hosts for survival and maintenance. Protein degradation and peptide importation play an important role in M...

Technology spillover from trade channel is important. Absorbing foreign technology by the channel of importation and using the latent technology in those products create export development, increase the quality and quantity of manufactured goods, and modify management, technology improvements and production of goods with high added value; this might favorise optimal allocation of resources. Imp...