Preliminary establishment of the method of ultrasonic estimation of the amount of hydrops in the knee joint
SUN Chao， JIN Hongtao， QI Xuan， TIAN Yu， GUO Huifang*
Journal of Hebei Medical University . 2018, (3): 326 -329 .  DOI: 10.3969/j.issn.10073205.2018.03.019