1. Mineral metabolism during pregnancy and lactation;Chesney;In: Coe FL, Favus MJ (eds) Disorders of Bone and Mineral Metabolism. Raven Press, New York, pp,1992
2. The endocrinology of pregnancy;Martin;In: Greenspan FS, Baxter JD (eds) Basic & Clinical Endocrinology. Appleton & Lange, Norwalk, CT, pp,1994
3. The chemical composition of the human fetus.;Givens;J Biol Chem,1933
4. Sequential changes in weight, density, and percentage ash weight of human skeletons from an early fetal period through old age.;Trotter;Anat Rec,1974