1. Esophageal Atresia and Tracheoesophageal Fistula: Surgical Experience Over Two Decades 
Josephine Y Tsai, Leah Berkery, David E Wesson, S.Frank Redo, Nitsana A Spigland 
The Annals of Thoracic Surgery 
Volume 64, Issue 3, Pages (September 1997)
DOI: /S (97)

2. Fig. 1
Comparison of leak and stricture rates in the current series (1975–1995) as compared with the previously reported series [4](1960–1974). These differences were not statistically significant.
The Annals of Thoracic Surgery  , DOI: ( /S (97) )

3. Fig. 2
Comparison of overall mortality, operative mortality, late mortality, and mortality after definitive (def.) repair in the current series (1975–1995) as compared with the previously reported series [4](1960–1974). These differences were not statistically significant.
The Annals of Thoracic Surgery  , DOI: ( /S (97) )