1. On-pump versus off-pump coronary revascularization: evaluation of renal function 
Raimondo Ascione, MD, Clinton T Lloyd, Malcom J Underwood, Walter J Gomes, MD, Gianni D Angelini 
The Annals of Thoracic Surgery 
Volume 68, Issue 2, Pages (August 1999)
DOI: /S (99)

2. Fig 1
Changes in creatinine clearance (mean ± standard deviation) during periods 1 through 4 in the on-pump group (n = 25) and in the off-pump group (n = 25). ∗p = on versus off- pump.
The Annals of Thoracic Surgery  , DOI: ( /S (99) )

3. Fig 2
Changes in albumin-to-creatinine ratio (mean ± standard deviation) during periods 1 through 4 in the on-pump group (n = 25), and in the off-pump group (n = 25). ∗p = on versus off-pump.
The Annals of Thoracic Surgery  , DOI: ( /S (99) )

4. Fig 3
Changes in n-acetyl-β-glucosamine levels (mean ± standard deviation) during periods 1 through 4 in the on-pump group (n = 25) and in the off-pump group (n = 25). ∗p = on versus off-pump.
The Annals of Thoracic Surgery  , DOI: ( /S (99) )