average of 22 pages and 18 tables per section, the divisions are as follows: cardiology; pulmonology; critical care; gastroenterology; nephrology; urology; infectious diseases; endocrinology; hematology; oncology; rheumatology; peri-operative care; ophthalmology; dermatology; sports medicine; women’s health; geriatrics; allergy and immunology; neurology; psychiatry; adolescent medicine; nutriti...

BACKGROUND The volume-outcome relationship is supposed to be stronger in high risk, low volume procedures. The aim of this systematic review is to examine the available literature on the effects of hospital and surgeon volume, specialization and regionalization on the outcomes of the Norwood procedure. METHODS A systematic literature search was performed in Medline, Embase, and the Cochrane L...