Overview the Effect of Chinese Herbs to Treat Thyroid Diseases With Different Iodine Intake Status: Unknown status Trial end date: 2016-12-01 Target enrollment: Participant gender: Summary safe study of Chinese Herbs to Treat Thyroid Diseases With Different Iodine Phase: Phase 1/Phase 2 Details Lead Sponsor: Tianjin Medical University Cancer Institute and HospitalTreatments: Iodine