Association between Estrogen Receptor-<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M1"><mml:mrow><mml:mi>α</mml:mi></mml:mrow></mml:math>Gene XbaI and PvuII Polymorphisms and Periodontitis Susceptibility: A Meta-Analysis
Disease markers