الفهرس 
PREOPERATIVE RISK FACTORSOnly 14 pages are availabe for public view
 |  | from | 144 |  |  |
| | | from | 144 | | |
Abstract
the midli stermotemy advocated by julian 1956 allowed the surgeon excellent access to mediastinal structures without the pain associated with muscle spplitting incision and rib retraction.