Fluorimetric assay with a novel substrate for quantification of galactocerebrosidase activity in dried blood spot specimens oleh Anirudh J. Ullal, Hong Pham, Rajendra Singh, Peter Ross, Carrie A. Graham, Scott M. Norton, Miriam H. Nuffer, Debbie S. Burns, Allen E. Eckhardt, Maria Escolar, Deeksha Bali, Vamsee K. Pamula