As one of the more specific and distinctive problems of human beings, suicide has been investigated with increasing attention all over the world. Several risk factors have been described as well as limitations arising from their study. The World Health Organization estimates that this scourge affects one million people annually, which corresponds to one death every 40 s worldwide. According to recent studies, P...
The use of vitreous humor and pericardial fluid as alternative matrices to blood and plasma in the field of forensic toxicology is described to quantitate low levels of Salvinorin A using ethion as internal standard. The method was optimized and fully validated using international accepted guidelines. The developed methodology utilizes a solid phase extraction procedure coupled to gas chromatography mass spectr...
The present-day Brazilian population is a consequence of the admixture of various peoples of very different origins, namely, Amerindians, Europeans and Africans. The proportion of each genetic contribution is known to be very heterogeneous throughout the country. The aim of the present study was to compare the male lineages present in two distinct Brazilian populations, as well as to evaluate the African contri...
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