Jintana Sirivarasry. (1995) Calcium and magnesium statuses and effects of calcium supplement in pregnant Thai women suffering from frequent leg cramps. Mahidol University,:ม.ป.ท.Jintana Sirivarasry. 1995. Calcium and magnesium statuses and effects of calcium supplement in pregnant Thai women suffering from frequent leg cramps. ม.ป.ท.:Mahidol University,;Jintana Sirivarasry. Calcium and magnesium statuses and effects of calcium supplement in pregnant Thai women suffering from frequent leg cramps. ม.ป.ท.:Mahidol University, 1995. Print.