1. McCarrison, Observations on Endemic Goitre in the Chitral and Gilgit Valleys, Transactions of the Royal Medical and Chirurgical Society vol. lxxxix.
2. McCarrison : Loc. cit.
3. Enquête sur la Goitre et la Crétinisme;Baillarger,1873
4. The Thyroid and Parathyroid Glands;Richardson,1905
5. Diseases of the Thyroid Gland,1901