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In Chile, dependent workers and retirees are mandated by law to purchase health insurance, and can choose between private and public health insurance. This paper studies the determinants of the choice of health insurance. Earnings are generally considered the key factor in this choice, and we confirm this, but find that other factors are also important. It(More)
The root nodules of two wild legume species endemic to Algeria, Hedysarum naudinianum and He. perrauderianum, were investigated with regard to their anatomy and histology, and the identity of the associated bacteria. Both plants were found to form root nodules with regular features and well infected by rod-shaped bacteria. The culturable fraction of(More)
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