1. A. Cantarow, and M. Trumper (1962 ): Clinical Biochemistry . 6th edition. Saunders, Philadelphia, p. 569 .
2. W. H. Daughaday (1962 ): InWilliams Textbook of Endocrinology . 3rd edition. Saunders, Philadelphia. p. 44 .
3. AUTOANTIBODIES IN SHEEHAN'S SYNDROME
4. A. T. Kenyon, Cecil, and Loeb (1959 ): InTextbook of Medicine , 10th edition. Saunders, Philadelphia. p. 716 .