Secondhand smoking increases bladder cancer risk in nonsmoking population: a meta-analysis

Huaqing YanDepartment of Urology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, China, [email protected]

Yufan YingDepartment of Urology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, China, [email protected]

Haiyun XieDepartment of Urology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, China, [email protected]

Jiangfeng LiDepartment of Urology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, China, [email protected]

Xiao WangDepartment of Urology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, China, [email protected]

Liujia HeDepartment of Urology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, China, [email protected]

Ke JinDepartment of Urology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, China, [email protected]

Jianer TangDepartment of Urology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, China, [email protected]

Xin XuDepartment of Urology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, China, [email protected]

Xiangyi ZhengDepartment of Urology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, China, [email protected]Correspondence[email protected]

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