- Congenital sucrase-isomaltase deficiency presenting with failure to thrive, hypercalcemia, and nephrocalcinosis. Belmont, J.W., Reid, B., Taylor, W., Baker, S.S., Moore, W.H., Morriss, M.C., Podrebarac, S.M., Glass, N., Schwartz, I.D. BMC pediatrics [electronic resource]. (2002)