Abstract Background Personal digital assistants (PDA) offer putative advantages over paper for collecting research data.However, there are no data prospectively comparing PDA and bempresas.com paper in the emergency department.The aim of this study was to prospectively compare the performance of PDA and paper enrollment instruments with respect to
AbstractUrochloa decumbens (Stapf) R.D.Webster (Poaceae) is an exotic species with has spread rapidly through the Cerrado area of Pantanal, Mato Grosso do Sul, Brazil.It has covered the soil aggressively turning it into cultivated pastures.Thus, it has become a challenge to protect native areas due read more its capacity of exclusion of native spec
Igneous rocks, for their genesis, have no primary collector properties.In any case, weathering and stress-es acting on them, cause fractures, cracks and faults which permit the development of secondary collec-tor possibilities.The need to evaluate the collector properties of an area near the city of Melo, for use for farming purposes, motivated the
The article reviews and analyzes previously performed studies on accounting for deviations in the design of metal structures.Existing hacklinkci.com inventions concerning the design of metal articulated rod large-span roofs are considered, they allow compensating deviations during the installation of metal structures.The developed roof shell design
Controlling the sex ratio is essential in finfish farming.A balanced sex ratio is usually good for broodstock management, since it enables to develop appropriate breeding schemes.However, in some species the production of monosex populations is desirable because the existence of sexual dimorphism, primarily in growth or first time of sexual maturat