background: the main objective of this study was to determine the respiratory health symptoms and lung function among roadside hawkers in serdang, malaysia and its association with traffic-related exposures. methods: this cross-sectional comparative study was conducted among 60 roadside hawkers while 60 restaurant workers were included as the comparative group in 2015. a questionnaire was used ...

the study of comparative politics ,in the field of political science, has a great significance. this article not only introduces schools of thought which have been phenomena in the history of comparative politics but also surveys the history behind this growth. the present article shall . deal with and subsequently explain the success of this field and its current status. the new conceptualizat...

The number of day care centers in Brazil has doubled over the last few years; with this increase has come a rise in the numbers of cases of communicable disease, particularly pneumonia (the main cause of child mortality in Brazil). A study by Dr. Walter V.C. da Fonseca states that a day care child is 5 times more likely to contact pneumonia. However, since the income earned by women in Brazil...