The realization of constructions, mostly large scale ones, such as dams, has the potential to cause large scale damage to the environment. In reason of this harmful potential, the Brazilian legislation requires that the ...

Trachoma is a recurrent chronic bacterial keratoconjunctivitis caused by Chlamydia trachomatis (serotypes A, B, Ba and C) and usually affects children between one and ten years of age. The World Health Organization considers ...