publicações Detection of ptch and beta-catenin genes in ameloblastoma in Ibadan Documento Genetic and systemic toxicity induced in Alium cepa and Mus musculus by a tropical freshwater dam in Ibadan, Nigeria Documento Genotoxicity of Chromium Copper Arsenate and the ameliorative effect of Vitamin C using sperm morphology assay Documento Induction of abnormal sperm morphology by wastewater from two pharmaceutical companies Documento