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What is Avascular necrosis for patients can be retarded by? and explain in detail?
1500 mg Ca daily REF: Principles and practice of endocrinology and metabolism by Kenneth Becker Page 630 In renal, gastrointestinal or other diseases leading to avascular necrosis, daily calcium supplementation of 1500 mg is required to prevent and reatard avascular necrosis and other metabolic bones diseases.