The goal of this clinical trial is to verify the safety and efficacy of Oral Contrast Agent for Sonography produced by Shandong Baiduo Medical Instruments Co., LTD.~Participants will Ultrasound was administered with Oral Contrast Agent for Sonography and observed for 2 days.~The investigators will compare Oral Contrast Agent for Sonography produced by Huzhou East Asia Medical Supplies Co., LTD to see if the safety and efficacy of Oral Contrast Agent for Sonography produced by Shandong Baiduo Medical Instruments Co., LTD
The goal of this clinical trial is to verify the safety and efficacy of Oral Contrast Agent for Sonography produced by Shandong Baiduo Medical Instruments Co., LTD.