Strict cysteamine dose regimen is required to prevent nocturnal cystine accumulation in cystinosis. - Levtchenko, Elena N.; van Dael, Carin M.; de Graaf-Hess, Addy C.; Wilmer, Martijn J. G.; van den Heuvel, Lambertus P.; Monnens, Leo A.; Blom, Henk J. (Pediatric Nephrology, 2006)