Hypocalcæmia and serum levels of inorganic phosphorus, magnesium parathyroid and calcitonin hormones in the last month of pregnancy in Awassi fat-tail ewes E. Elias and R. Shainkin-KestenbaumReprod. Nutr. Dev., 30 6 (1990) 693-699DOI: https://doi.org/10.1051/rnd:19900606