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28  Articles
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The nerve growth factor (NGF) not only has an essential effect on the nervous system, but also plays an important role in a variety of non-neuronal systems, such as the reproductive system. The aim of this study was to investigate the seasonal changes in ... see more

Nerve growth factor (NGF) exerts its action through two types of receptor: high-affinity tyrosine kinase A receptor (trkA) and low-affinity p75 receptor. NGF has a neurotrophic role in central and peripheral nervous system development, but there is also c... see more

Este trabalho objetivou avaliar, através da aplicação de um modelo de avaliação de indicadores, a sustentabilidade da atividade pesqueira em Alenquer-Pa. O MESMIS foi à base metodológica escolhida para desenvolvimento do estudo. A coleta de dados foi feit... see more

The ovarian surface epithelium (OSE) plays an important role in normal ovarian physiology. During each reproductive cycle, the OSE takes part in the cyclical ovulatory ruptures and repair. The aim of this study was to investigate the immunolocalization of... see more

Lonidamine (LND) or [1-(2,4-dichlorobenzyl)-1H-indazole-3- carboxylic acid] is an anticancer and antispermatogenic drug that exerts a large number of effects on tumor cells and germ cells. Sexually mature male Sprague-Dawley rats were housed at 22°C on a ... see more

Existem situações em que a característica de interesse, tratada como variável, não é medida diretamente embora seja possível observar o seu efeito. Essas características sãotratadas como variáveis latentes. Assim, uma pessoa pode ser considerada inteligen... see more


Resumen Introducción: Las poblaciones que habitan en altitudes elevadas presentan un pequeño retardo en el crecimiento físico lineal. Esta diferencia es atribuida al fenómeno de la hipoxia, así como a factores socioeconómicos, nutricionales y medio-ambien... see more

Objetivo: medir la asociación entre el nivel de conocimientos sobre la resolución de problemas en la utilización de los métodos anticonceptivos y la presencia de embarazo no planeado en mujeres que usan métodos anticonceptivos de corta acción. Establecer ... see more

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