Figure 5From: A comparative study of gallstones from children and adults using FTIR spectroscopy and fluorescence microscopy a & b FTIR spectra of i) black stone from children ii) black stone from adult patients in the region between 800–1800 cm-1. Black stones from adults type I and II are shown in Figures 5a, 6a and 5b, 6b respectively. In the case of adults and children, average spectra of 12 stones are presented.Back to article page