Above: A boy with PKS and a Pallister lip feature. His upper lip is v-shaped and
the skin above his lip extends into the reddish tissue of the lip.
Kaur M et al. (2014) Genome-wide expression analysis in fibroblast cell lines from probands with Pallister Killian syndrome.
PLoS One 9(10):e108853. doi: 10.1371/journal.pone.0108853
Full text on PubMed.