OBJECTIVE To analyze trends relating to physicians' vocational integration and income composition from the Pesquisas Nacionais por Amostra de Domicílio (PNAD - National Household Sampling Surveys). METHODS PNAD microdata from 1988, 1993, 1998 and 2003 were analyzed in relation to demographic, social and occupational parameters. In the exploratory analysis, trends relating to physicians' emplo...

Rodent animal models have been widely used for studying neurologic and toxicological events associated with cocaine abuse. It is known that the mouse is more susceptible to cocaine-induced hepatotoxicity (CIH) than the rat. However, the causes behind this species-dependent sensitivity to cocaine have not been elucidated. In this study, cocaine metabolism in the mouse and rat was characterized t...

Acute otitis media, inflammation of the middle ear, is the most common bacterial infection in children and, as a consequence, is the most common reason for antimicrobial prescription to this age group. There is currently no effective vaccine for the principal pathogen involved, non-typeable Haemophilus influenzae (NTHi). The most frequently used and widely accepted experimental animal model of ...