Research on the legal issues of insurance contract Research on legal issues of pension service contract Research on the legal issues of medical injury Research on the legal issues of surrogacy regulation 并列题名:Research on legal issues of pension service contract Research on the consensus issue in the labor contract 并列题名:Research on the legal issues of surrogacy regulation Research on the legal issues of rural land mortgage financing 并列题名:Research on the legal issues of medical injury Research on the legal nature of public private partnership contract