The efficacy of a voice training program: a case–control study in China
2009 ◽
Vol 267
(1)
◽
pp. 101-105
◽
2012 ◽
Vol 28
(8)
◽
pp. e168
2005 ◽
Vol 125
(9)
◽
pp. 614-621
◽
2011 ◽
Vol 2011
◽
pp. 166-168
◽
Keyword(s):
Keyword(s):