مراقبت از حنجره در فن بیان

6:22

10:49

1:36:53

9:01

5:28

00:59

44:39

8:57

00:53

1:45:19

5:30

4:36

4:38

2:13

3:29

00:56

5:50

4:39

22:58

8:33

14:21

00:45

1:34

00:55

1:50

2:00

3:52

3:21

6:17

4:29

4:03

4:51

28:32

00:15

2:32

12:39

6:53

7:33

1:30

21:13

7:49

1:48

8:25

1:08:36

3:05

6:49

5:05

5:16

1:40

00:22

3:21

3:30

3:30

6:21

1:00

2:59

10:27

1:05

1:20

3:02