Link: http://www.ncbi.nlm.nih.gov:80/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=9831340&dopt=Abstract
Pallister-Killian Syndrome [I(12p)]: First Pre-Natal Diagnosis Using Cordocentesis In The Second Trimester Confirmed By In Situ Hybridization.