MINIMAL GUIDED BONE REGENERATION PROCEDURE FOR IMMEDIATE IMPLANT PLACEMENT IN THE ESTHETIC ZONE


Association between exposure to air pollutants and risk of infertility in men of childbearing age: a PREBIC cohort study in Chongqing

Objective To investigate the association between exposure levels of air pollutants (PM10, PM2.5, SO2, O3, NO2, and CO) and infertility risk in men of childbearing age.Methods Preconception Reproductive Health and Birth Outcomes Cohort (PREBIC) was subjected by recruiting men of Side Pull childbearing age who taking pre-pregnancy health examination

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