We analyzed the geographic distribution of the Ixodes ricinus-like ticks in eastern North America by comparing the mitochondrial 16S rDNA sequences of specimens sampled directly from the field during the 1990s. Two distinct lineages are evident. The southern clade includes ticks from the southeastern and middle-eastern regions of the United States. The range of the northern clade, which appears...

2 controversial issues related to the consequences of Middle Eastern international migration were examined: its effect on the development policies of the labor importing countries with a special reference to the case of Kuwait; and its effect on the growth potential of the labor exporting countries with special reference to recent development in Egypt's agricultural reproductivity. A prelimin...

Oil was found at Masjed Soleyman in southwestern Iran on May 26, 1908, and three years later was piped down to a newly built refinery at Abadan on the Iranian side of the Shatt alrab, not many miles below Basra. Its global importance was immediately recognized, not just by the Admiralty in London, looking for new sources of supply for its oil-fired battleships, but in other European capitals as...

The contrast sensitivity test has been used to examine vision in different clinical circumstances. Moreover, as contrast sensitivity is affected by several ocular states, its measurement has been considered practically for monitoring and assessment of a wide range of visual functions, predicting vision related abilities, diagnosing several ophthalmic conditions, and evaluating many ocular disor...

A 14-year-old previously healthy adolescent female was referred to the emergency department for complaints of fatigue and weakness. She had been seen 1 day prior at her primary care physician's office and was found to have a hemoglobin level of 6.7 g/dL. Over the past month, she had been feeling " weak " and " looking more pale. " She was born and raised in Iraq, of Chaldean eth-nicity, and rec...