Single-Nucleotide Polymorphism Array-Based Characterization of Ring Chromosome 18 - Spreiz, Ana; Guilherme, Roberta S.; Castellan, Claudio; Green, Andrew; Rittinger, Olaf; Wellek, Brigitte; Utermann, Barbara; Erdel, Martin; Fauth, Christine; Haberlandt, Edda; Kim, Chong A.; Kulikowski, Leslie D.; et al. (Journal of Pediatrics, 2013)