13.
Cembrano, J. R., De Vera, J. S., Joaquino, J. B., Ng, E. F., Tongson, T. L., Manalo, P. D., Fernan-dez, G. C., & Encarnacion, R. C. (1995). Familial risk of recurrence of clefts of the lip and palate. Philippine Journal of Surgical Specialties, 50, 37–40.