title: Changes in the patterns, presentation and management of penetrating chest trauma patients at a level II trauma centre in southern Pakistan over the last two decades.
authors.affiliation: Department of Cardiac Surgery, The Aga Khan University Hospital, Karachi 74800, Pakistan.
authors.forename: Umer Muhammad
authors.initials: UM
authors.lastname: Tariq
authors.forename: Ahmad
authors.initials: A
authors.lastname: Faruque
authors.forename: Hamza
authors.initials: H
authors.lastname: Ansari
authors.forename: Mansoor
authors.initials: M
authors.lastname: Ahmad
authors.forename: Umar
authors.initials: U
authors.lastname: Rashid
authors.forename: Shazia
authors.initials: S
authors.lastname: Perveen
authors.forename: Hasanat
authors.initials: H
authors.lastname: Sharif