Effects of vocalization training on drooling severity in Parkinson's disease
FENG Qing-ling, CHENG Yuan-yuan, LIU Pei-pei, ZHOU Xiao-na, WANG Yue, CHEN Rong-jie, YU Yang, WU Jia-ling
Chinese Journal of Contemporary Neurology and Neurosurgery . 2019, (11): 891 -896 .  DOI: 10.3969/j.issn.1672-6731.2019.11.014