Positions of common variants of the 13 patients with 22q11.2 deletion. Ancestral alleles are written with small letters. The numerals from I to VIII are representative of the eight SNPs from rs5748417 to rs5746826, respectively. The corresponding identification numbers of the 13 patients with 22q11.2 deletions are listed at the left.
Xu et al. BMC Medical Genetics 2011 12:169 doi:10.1186/1471-2350-12-169