Changes in pharyngeal esophageal lumen width during the aging process
WANG Qin XU Sheng-chun LIU Ye-hai HU Guo-qin LIANG liang TU Li-li
AAS . 2015, (3): 363 -366 .  DOI: 10.16098/j.issn.0529-1356.2015.03.013