1. M. Bocian, and A. P. Walker .Lip pits and deletion 1q32–41., Am J Med Genet, 1987 .26 :437 –443 .
2. A. B. Burdick, Genetic epidemiology and control of genetic expression in van der Woude syndrome., J Craniofac Genet Dev Biol Suppl, 1986 .2 :99 –105 .
3. A. B. Burdick, D. Bixler, and C. L. Puckett .Genetic analysis in families with van der Woude syndrome., J Craniofac Genet Dev Biol, 1985 .5 :181 –208 .
4. A. B. Burdick, L. A. Ma, Z. H. Dai, and N. N. Gao .Van der Woude syndrome in two families in China., J Craniofac Genet Dev Biol, 1987 .7 :413 –418 .
5. A. B. Burdick, L. A. Ma, N. Gao, and Z. H. Dai .Genetic analysis of two families with Van der Woude's syndrome (lip pits, cleft palate, and cleft lip syndrome) [in Chinese]., Yi Chuan Xue Bao, 1988 .15 :396 –400 .