Complex phenotype of mice homozygous for a null mutation in the Sp4 transcription factor gene.
Göllner H, Bouwman P, Mangold M, Karis A, Braun H, Rohner I, Del Rey A, Besedovsky HO, Meinhardt A, van den Broek M, et al. Genes Cells. 2001 Aug; 6(8):689-97.