Background: Oral lesions are among the earliest clinical manifestations of human immunodeficiency (HIV) infection and are important in early diagnosis and for monitoring the progression to acquired immunodeficiency syndrome (AIDS). The purpose of this study was to determine the prevalence of oral lesions and their relationship with a number of factors in HIV/AIDS patients attending an HIV cente...

It is a well known fact that written culture suppressed oral culture in the historical process, but often in such a way that oral creations were also written down (and not simply rejected). So it is that it happened that the manner of notation adapted to the needs of the written media was in fact built into the texts of oral poems. For that reason, the history of oral lyrics together with the o...