Encontrados 104 documentos, a visualizar página 1 de 11
Pre-operative chemoradiotherapy in locally advanced rectal cancer: Capecitabine...
Barata, Pedro C.; Internato Complementar de Oncologia Médica, Centro Hospitalar de Lisboa Central, PortugalIntroduction: Pre-operative chemoradiotherapy is considered a standard approach for TNM stage II-III rectal cancer. The aim of this study was to investigate the effectiveness and toxicity of pre-operative chemoradiation in this setting. Methods: Between January 2007 and January 2011, patients received 5 weeks of treatment with radiotherapy 50.4/54 Gy/25 or 30 fractions with concurrent capecitabine 850 mg/m2 twi...
Alergia a Medicamentos Reportada em Crianças que Frequentam Infantários
Martins, P; Belo, J; Marques, J; Papoila, AL; Caires, I; Araújo-Martins, J; Pedro, C; Rosado-Pinto, J; Virella, D; Leiria- Pinto, P; Neuparth, NIntrodução: A prevalência de alergia a fármacos na população geral não se encontra devidamente caraterizada, existindo poucos estudos publicados que tenham abordado esta situação em crianças com idades inferior a seis anos de idade. Este estudo tem como objetivo principal estimar a prevalência de alergia a medicamentos reportada pelos pais de crianças de infantários de Lisboa e do Porto. Material e Métodos: No ...
Water use, transpiration and crop coefficients for irrigated hedgerow olives gr...
Santos, Francisco L.; Correia, Maria Manuela; Valverde, Pedro C.; Renato, Coelho; Vaz, Margarida; Paço, T. A.Olive trees are well adapted to the Mediterranean-type agro-ecosystems of southern Portugal and have traditionally been cultivated in areas with no irrigation. According to the 2009 agricultural census, the olive tree cultivation area was around 336,000 ha, of which 164,000 ha are in the southern province of Alentejo. In this southern region of semi arid Mediterranean climate where the erratic annual precipitat...
Estimation and mapping transpiration with basal and stress crop coefficients de...
Santos, Francisco L.; Correia, Maria Manuela; Pôcas, Isabel; Valverde, Pedro C.; Coelho, Renato; Vaz, Margarida; Paço, Teresa A.The use of remote sensing for obtaining evapotranspiration (ET) from natural and agricultural surfaces is already widely used. For irrigated agriculture the two basic approaches are: (1) the solution of the energy balance equation, using remotely sensed surface temperatures and reflectances to estimate variables and components of this equation, and (2) the crop coefficient and reference evapotranspiration (ETo)...
Nonlinear dynamics of a tightly moored point-absorber wave energy converter
Vicente, Pedro C.; Falcão, António F. de O.; Justino, Paulo AlexandreTightly moored single-body floating devices are an important class of offshore wave energy converters. Examples are the devices under development at the University of Uppsala, Sweden, and Oregon State University, USA, prototypes of which were recently tested. These devices are equipped with a linear electrical generator. The mooring system consists of a cable that is kept tight by a spring or equivalent device....
Angolan cymbopogon citratus used for therapeutic benefits: nutritional composit...
Soares, Marta O.; Alves, Rita C.; Pires, Pedro C.; Oliveira, M. Beatriz P. P.; Vinha, Ana F.Folk medicine is a relevant and effective part of indigenous healthcare systems which are, in practice, totally dependent on traditional healers. An outstanding coincidence between indigenous medicinal plant uses and scientifically proved pharmacological properties of several phytochemicals has been observed along the years. This work focused on the leaves of a medicinal plant traditionally used for therapeutic...
Introducing Mobile Money in Rural Mozambique: Evidence from a Field Experiment*
Batista, Cátia; Vicente, Pedro C.The limitations of access to finance in Africa, together with the recent boom in cell phone use in that continent, created high expectations regarding the introduction of mobile money in many African countries. The success story of M-PESA in Kenya raised the bar further. We designed and conducted a field experiment to assess the impact of randomized mobile money dissemination in rural Mozambique. For this purpo...
Voting and Peer Effects: Experimental Evidence from Mozambique*
Fafchamps, Marcel; Vaz, Ana; Vicente, Pedro C.Voter education campaigns often aim to increase voter particpation and political accountability. We follow randomized interventions implemented nationwide during the 2009 Mozambican elections using a free newspaper, leaflets, and text messaging. We investigate whether treatment effects were transmitted through social networks (kinship and chatting) and geographical proximity. For individuals personally targeted...
Is Information Power? Using Mobile Phones and Free Newspapers during an Electio...
Aker, Jenny C.; Collier, Paul; Vicente, Pedro C.African elections often reveal low levels of political accountability. We assess different forms of voter education during an election in Mozambique. Three interventions providing information to voters and calling for their electoral participation were randomized; an SMS-based information campaign, an SMS hotline for electoral misconduct, and the distribution of a free newspaper. To measure impact, we look at o...
Vitamin A Deficiency and Training to Farmers: Evidence from a Field Experiment ...
Caeiro, Rute; Vicente, Pedro C.Vitamin A deficiency is a widespread public health problem in Sub-Saharan Africa. This paper analyzes the impact of a food-based intervention to fight vitamin A deficiency using orange-fleshed sweet potato (OFSP). We conducted a randomized evaluation of OFSP-related training to female farmers in Mozambique, in which the treatment group was taught basic concepts of nutrition, and OFSP-planting and cooking skills...
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