1. Recent advances in the pathophysiology of nephrolithiasis
Khashayar Sakhaee 
Kidney International 
Volume 75, Issue 6, Pages (March 2009)
DOI: /ki
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2. Figure 1
Physicochemical scheme for the development of uric acid stones.
Kidney International  , DOI: ( /ki )
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3. Figure 2 Mechanisms of urinary acidification.
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4. Figure 3 Acute acid loading. Previously published in Sakhaee et al.21
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5. Figure 4
Inpatient net acid excretion. Net acid excretion=NH4+ + TA–(HCO3-+Cit).
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6. Figure 5
Oxalate catabolism and energy conservation in Oxalobacter formigenes.
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7. Figure 6
Oxalobacter formigenes in stool among patients with recurrent calcium oxalate kidney stones and non-stone formers. Previously published as a modification of information obtained from Kaufman et al.108
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8. Figure 7
Sites and characteristics of crystal deposition. A transmission electron micrograph showing a crystalline structure composed of concentric layers of crystalline material (light) and matrix protein (dark). Previously published in Evan et al.127
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