Vitiligo and Lichen Planus, two common dermatologic disorders, are expected to coexist. This leads to diverse theories regarding their immunopathogenesis linkage. In this case, we report a twenty-year-old man suffering from simultaneous lichen planus and vitiligo which were both generalized at the time of observation and also concomitant throughout their entire course of progression. Lichen Pla...

Este artigo constitui a primeira análise bibliométrica das 708 comunicações publicadas pelo Congresso Nacional de Bibliotecários, Arquivistas e Documentalistas entre 1985 e 2012, tendo-se desenvolvido indicadores de produção, de produtividade, de proveniência institucional e análise temática, numa perspectiva quantitativa, relacional e diacrónica. Os seus resultados apresentam um Congresso dinâ...

OBJECTIVES The aim of this study was to describe outdoor workers' sun-protective practices, workplace sun-safety culture and sun-protective equipment provision; investigate the association of demographic, personal and occupational factors with sun-protective practices; and identify potential strategies for improving workers' sun protection. METHODS The present study used a clustered survey de...

Peter Baer Galvin is the Chief Technologist for Corporate Technologies, a premier systems integrator and VAR (www.cptech.com). Before that, Peter was the systems manager for Brown University’s Computer Science Department. He has written articles and columns for many publications and is coauthor of the Operating Systems Concepts and Applied Operating Systems Concepts textbooks. As a consultant a...

BACKGROUND Ultraviolet radiation (UVR) exposure and a history of sunburn are important risk factors for skin cancer. Sunburn is more common among men, younger age groups, and people in higher income households. Sun protection measures also vary by sex, age, and socioeconomic characteristics. Associations between ambient UVR and sunburn and sun safety measures have not been quantified. DATA AN...