TY - CHAP M1 - Book, Section TI - Chapter 20. Cleft Lip & Palate A1 - Hoffman, William Y. A2 - Lalwani, Anil K. Y1 - 2012 N1 - T2 - CURRENT Diagnosis & Treatment in Otolaryngology—Head & Neck Surgery, 3e AB - In large series, the distribution of clefts is about 50% cleft lip and palate, 30% cleft palate only, and 20% cleft lip only. Cleft lip occurs most often on the left side; the distribution of left to right to bilateral cleft lip is approximately 6:3:1. Right-sided clefts are more commonly associated with syndromes. There is a slightly higher incidence in males. SN - PB - The McGraw-Hill Companies CY - New York, NY Y2 - 2024/03/28 UR - accessmedicine.mhmedical.com/content.aspx?aid=55767372 ER -