Congenital
Cleft Lip and Palate
Prevalence at Birth of Cleft Lip With or Without Cleft Palate: Data From the International Perinatal Database of Typical Oral Clefts (IPDTOC)
IPDTOC Working Group (ICBDSR Centre, Rome, Italy; et al) Cleft Palate Craniofac J 48:66-81, 2011§
Evidence Ranking
• B
Expert Rating
• 2