'A cold that lasts longer than a week may indicate inflammation of these airspaces in the skull'
sinuses
DOCTORIN': A cold that lasts longer than a week may indicate inflammation of these airspaces in the skull
A cold that lasts longer than a week may indicate inflammation of these airspaces in the skull
A cold that lasts longer than a week may indicate inflammation of these airspaces in the skull
DOCTORIN'
sinuses
DOCTORIN'