1. The syndrome of pits of the lower lip and cleft-lip and/or palate. Genetic considerations;Cervenka;American Journal of Human Genetics,1967
2. Congenital double lip; Record of a case with a note on the embryology;Colman;British Journal of Plastic Surgery,1952
3. Quelques considerations sur le bec-de-lievre;Demarquay;Gazette Medical de Paris,1845
4. Inheritance of Hare Lip and Cleft Palate;Fogh-Andersen,1942
5. Syndromes of the Head and Neck;Gorlin,1964