title: Four cases of pneumomediastinum: Case Report.
abstract: Pneumomediastinum is an uncommon clinical entity that can have disastrous consequences http://ow.ly/UtYYh.
authors.affiliation: North Tyneside General Hospital, Northumbria Health Care Foundation Trust, North Shields, UK.
authors.forename: Avinash
authors.initials: A
authors.lastname: Aujayeb
authors.affiliation: North Tyneside General Hospital, Northumbria Health Care Foundation Trust, North Shields, UK.
authors.forename: Jonathan
authors.initials: J
authors.lastname: Miller
authors.affiliation: North Tyneside General Hospital, Northumbria Health Care Foundation Trust, North Shields, UK.
authors.forename: Mark
authors.initials: M
authors.lastname: Weatherhead
authors.affiliation: North Tyneside General Hospital, Northumbria Health Care Foundation Trust, North Shields, UK.
authors.forename: David
authors.initials: D
authors.lastname: Cooper