BACKGROUND Published data on the relationship between matrix metalloproteinases (MMPs) polymorphisms and ovarian cancer risk have implicated inconclusive results. To evaluate the role of MMPs polymorphisms in ovarian cancer risk, a meta-analysis and systematic review were performed. METHODS MMPs polymorphisms which could be quantitatively synthesized were involved in meta-analysis. Five compa...

amelogenesis imperfectas (ais) are clinically and genetically heterogeneous conditions characterized by a wide range of clinical features. these abnormalities of enamel formation are categorized into three main groups, hypoplastic, hypomaturation and hypocalcified with different modes of inheritance such as autosomal recessive (ar), autosomal dominant (ad) and x-lined recessive (xlr). in spite ...