A novel methodology for measuring global diaphragm thickness by ultrasonography in patients with critical illness: an exploratory pilot study. - Chen-Liang Sun; Si-Ping Zhou; Li-Sha Hou; Meng-Jie Zhan; Yi-Ping Wang; Hong-Sheng Zhao; Feng-Mei Guo; Guang-Quan Zhou (BMC Medical Imaging, 2025)