1. Wu WL, Chert YH, Chuang HH . On the excitability of the epidermis and the atypical epidermis of Cynops orientalis embryos. Acta Biol Exp Sinica 1987; 20: 77–87.
2. Chuang HH, Wu WL, Sun YA . The role of mesoderm in the epithelial conductivity in urodelian embryos. Acta Biol Exp Sinica 1983; 16: 235–239.
3. Chuang HH, WU WL, Sun YA . ON the conductivity of the atypical embryonic epithelium of urodeles. Acta Biol Exp Sinica 1982; 15: 255–263.
4. Wu WI, Chuang HH . Experiments influencing the excitability of the in vitro cultured urodelian embryonic epidermis ceils. Acta Biol Exp Sinica 1989; 22:
5. Chunag HH, Wu WI, Sun YA . The appearance and disappearnce of epithelial conductivity in Cynops orientalis embryos. Acta Biol Exp Sinica 1982; 15:439–501.