Kondo S et al. Mutations in IRF6 cause Van der Woude and popliteal pterygium syndromes. „Nature Genetics”. 2, s. 285-289, 2002. PMID: 12219090.
van der Woude A. Fistula labii inferioris congenita and its association with cleft lip and palate. „Am J Hum Gen”. 6. 2, s. 244–256, 1954. PMID: 13158329.