Biochemical markers of calcium and bone metabolism during eighteen months of lactation in Gambian women accustomed to a low calcium intake and in those consuming a calcium supplement.

Prentice A., Jarjou L. M. A., Stirling D. M., Buffenstein R., Fairweather-Tait S. J.. (1998)

Journal of Clinical Endocrinology and Metabolism, 83, 1059-1066