Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) KUMME A. W.,The prevalence of apraxia characteristics in patients with velocardiofacial syndrome as compared with other cleft population,Cleft Palate J.,,,2007,44,,175-181,https://cir.nii.ac.jp/crid/1570009751323840128,