GILBERT, A.B. (1971) The Ovary. In 'Physiology and Biochemistry of the Domestic Fowl (Bell, D.J, and Freeman, B.M. eds.)' Vol.3, pp. 1163-1208. Academic Press, London & New York.
GRIFFIN, H.D., PERRY, M.M. and GILBERT, A.B. (1984) Yolk formation. In 'Physiology and Biochemistry of the Domestic Fowl (Freeman, B.M. ed.)' Vol.5, pp. 345-380. Academic Press, London & New York.
IMAI, K. (1978) Rapid growth of the ovarian follicle in laying hens, with special reference to the clutch. Proceedings of 16th World's Poultry Congress, Vol.13, 32-37.