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→Introduction
=Soft Cervical Collars and Apnea=
==Introduction==
'''Many CPAP users ''' (at least 1/3 of forum members including the writer) experience significant
clustered flow restrictions, hypopnea, and obstructive apnea that do not respond to pressure due
to misalignment and restriction of the airway caused by tucking the chin down toward the chest
Donate to Apnea Board
