An attempt to obtain a consistent spatial model of natural potential vegetation (NPV) for the mainland Portuguese territory is reported. Spatial modeling procedures performed in a Geographic Information System (GIS) environment, aimed to operationalize phytosociological expert-knowledge about the putative distribution of potential zona1 forest communities dominam in the Portuguese continental territories. The p...
RESUMO A doença hemolítica perinatal isoimune (DHP) resulta da destruição dos eritrócitos fetais e do recém-nascido por anticorpos maternos dirigidos especificamente contra os antigénios de membrana dessas células. Os autores apresentam um caso de isoimunização Rh a antigénios múltiplos, anti-C, D e E, num 2º filho de um casal com antecedentes de abortamento espontâneo e um 1º filho com DHP anti- CDE e necessid...
The field trip to Sintra region, as part of the 48th IAVS Symposium, aims to illustrate well-preserved and representative plant communities of Sintra municipality. It consists of two short field stops and a 3 km walk
The objective of this work was to evaluate the influence of weeding frequency on cultivar Centralmex green corn yield. Two experiments were conducted in Mossoró-RN (Brazil), with the use of sprinkler irrigation. A random block design with four replicates was used. It was observed that the total number and weight (TW) of unhusked green ears, the number and weight of marketable unhusked ears and the number and we...
RESUMO A via inalatória constitui o método preferencial para administração de fármacos no tratamento das doenças respiratórias. São vários os sistemas de inalação disponíveis: inaladores de pó seco, inaladores pressurizados doseáveis com ou sem câmara expansora e nebulizadores. A quantidade de fármaco depositado a nível das vias respiratórias depende, entre outros factores, do dispositivo utilizado e da forma c...
RESUMO A hiperfenilalaninémia é consequência de defeitos no sistema de hidroxilação da fenilalanina com consequente aumento sérico deste aminoácido. Os níveis de fenilalanina plasmática maternos, quando aumentados durante a gravidez, são teratogénicos associandose a um maior risco de atraso do crescimento intra-uterino, malformações congénitas, microcefalia e atraso do desenvolvimento psicomotor. Os autores des...
Congenital heart defects are the most common of all human birth defects. Numerous studies have shown that a deletion within chromosome 22q11 is associated with DiGeorge syndrome and certain forms of sporadic congenital cardiovascular disease. We have determined the value of a PCR assay using markers D22S941, D22S944 and D22S264 designed for the screening of 22q11.2 deletion through consecutive homozygosity in a...
Bronchopulmonary dysplasia remains a pathology of concern, with significant morbidity and mortality, but since Northway et al‘s original description the concept has been changing. The authors made a review of the cases of bronchopulmonary dysplasia in the Maternity Júlio Dinis Neonatal Intensive Care Unit from 1997 to 2001 and evaluated some factors related with the development of this disorder. ; A displasia ...
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