About infant communication results of 4,127
25:26
26:01
18:41
21:28
53:59
32:00
34:09
22:26
24:43
42:55
50:38
31:23
24:30
23:40
22:32
18:40
26:42
24:36
23:01
26:52
26:07
27:14
29:51
25:53
28:27
30:26
25:30
20:05
27:57
23:36
24:29
161:26
50:43
104:53
104:53
104:53
120:37
55:41
62:04
47:36
80:36
57:16
57:30
60:24
82:50
52:18