Skip to main content
. 2013 Mar 13;14(3):295–307. doi: 10.1007/s10162-013-0379-y

FIG. 1.

FIG. 1

Surgical approaches of the three experimental stages in AOM ear: A AOM-1, intact bulla; B AOM-2, middle ear pressure released from the hole in the bulla; C AOM-3, middle ear effusion drained from the opening in the bulla.