Specifications for Community General Practitioners to Screen for Thyroid and Carotid Diseases Using the Portable Ultrasound Device:Quality Evaluation Using AGREEⅡ and Recommendations 
SONG Ye,ZHAO Feng,CHEN Ming,ZHANG Tao4
Chinese General Practice . 2021, (22): 2843 -2849 .  DOI: 10.12114/j.issn.1007-9572.2021.00.150