Growth and photosynthetic responses to salinity of the salt-marsh shrub Atriplex portulacoides.

Background And Aims: Atriplex (Halimione) portulacoides is a halophytic, C(3) shrub. It is virtually confined to coastal salt marshes, where it often dominates the vegetation. The aim of this study was to investigate its growth responses to salinity and the extent to which these could be explained by photosynthetic physiology.

[Epidemiological study of colorectal cancer in Zamora (Spain): a comparison between the years 1996 and 2003].

Introduction: Colorectal cancer (CRC) is one of the most frequent tumors in Western countries. In Spain, widely different rates have been reported for distinct regions.

Aim: To determine the epidemiological characteristics of CRC in the province of Zamora in 1996 and 2003 and to identify possible variations in these characteristics in each of these two years.

[Purulent meningitis in the elderly. Incidence in our area].

A retrospective study in patients over 65 years old with acute bacterial meningitis admitted to the internal medicine department of the "Hospital Provincial de Zamora" over the last 25 years, is presented. 43 cases (26.87%) over 65 years old were found, out of 160 cases admitted with ABM during this period.