Figure 3.
Forest plots of all selected studies on the association between GSTM1 polymorphism and male infertility risk in Chinese (subgroup analyses for the OAT and NOA). OAT = oligoasthenozoospermia, NOA = nonobstructive azoospermia.
Forest plots of all selected studies on the association between GSTM1 polymorphism and male infertility risk in Chinese (subgroup analyses for the OAT and NOA). OAT = oligoasthenozoospermia, NOA = nonobstructive azoospermia.