@article{article, title = {Evolution of schistosomiasis endemicity in the Zona da Mata Sul, Pernambuco State, Brazil. Epidemiology and current situation: under control or out of control?}, author = {}, year = {1998}, journal = {Cadernos de Saude Publica}, volume = {14}, number = {4}, pages = {787-795}, howpublished = "\url{https://eurekamag.com/research/046/026/046026038.php}" }