introduction: foreign-body aspiration is still considered one of the most important diagnostic and therapeutic issues for physicians. mortality rates and the prevalence of diseases caused by foreign bodies in the airway are higher in children because of the relatively narrow airway and immature protective mechanisms. the aim of this study was to study the pattern of foreign-body aspiration in t...

This essay reports on some experiments designed to study two candidate electoral competition when voters are 'retrospective' voters. The experiments consist of a sequence of elections in which subjects play the part of both voters and candidates. In each election the incumbent adopts a policy position in a one-dimensional policy space, and voters are paid (on the basis of single peaked utility ...

Carcinoma cervix was a leading cause of death in women in USA, fifty years ago. Terris and Oalmam and Ratkinhave repeatedly demonstrated a relationship between several parameters of sexual activity and carcinoma cervix. Epidemiological data suggested a sexually transmitted agent as risk factor based on, early age at first intercourse, multiple sexual partners and a male partner with multiple se...

The files of 60 cases who received a diagnosis of epileptic psychosis in the period 1980-1985 were reviewed. Unclassifiable psychosis and paranoid hallucinatory states were the most common presentations. Except for the gap between onset of epilepsy and psychosis, there were no other predictors of type of psychosis. Shorter psychotic episodes tended to be characterised by pressure of speech, ina...

ABSTRACT Objective: The study aims to analyse the fluoride concentration in water supply of capital each province Mozambique, 2019 and compare with previous data 1978 2008. Methods: cities Mozambique were analysed 1978, 2008 from Tete’s River 2019. samples was determined duplicate, using ion-sensitive electrode (Orion 9609), coupled a potentiometer (Procyon, model 720), adopting significance le...