768159.fig.002a
(a)
768159.fig.002b
(b)
768159.fig.002c
(c)
768159.fig.002d
(d)
Figure 2: MALDI mass spectra of urine samples from: (a) control subject, (b) diabetic patient, (c) nephropathic patient, and (d) diabetic-nephropathic patient [31].