RT Journal Article SR Electronic T1 Chromosome 22q11 microdeletion and isolated conotruncal heart defects JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 79 OP 79 DO 10.1136/adc.76.1.79a VO 76 IS 1 A1 M C DIGILIO A1 B MARINO A1 A GIANNOTTI A1 B DALLAPICCOLA YR 1997 UL http://adc.bmj.com/content/76/1/79.2.abstract AB