1. Bailey CG, Bagby RM, Kreyling MC (1984) Morphogensis of the contractile system in embryonic chick gizzard smooth muscle cells. I. Ultrastructure. (Abstr) J Cell Biol 99:29a
2. Baumel JJ, King AS, Lucas AM, Breazile JE, Evans HE (1979) Nomina Anatomica Avium. Academic Press, London
3. Bennett T, Cobb JLS (1969) Studies on the avian gizzard: the development of the gizzard and its innervation. Z Zellforsch 98:599?621
4. Burnstock G (1981) Development of smooth muscle and its innervation. In: B�lbring E, Brading AF, Jones AW, Tomita T (eds) Smooth Muscle: An Assessment of Current Knowledge. Edward Arnold, London, pp 431?457
5. Campbell GR, Chamley JH, Burnstock G (1974) Development of smooth muscle cells in tissue culture. J Anat (Lond) 117:295?312