1. Prevalence and geographic distribution of endemic goitre;Kelly, F.C.; Snedden, W.W.;Bull WHO,1958
2. Observations on endemic cretinism in the Chitral and Gilgit valleys;McCarrison, R.;Lancet,1908
3. Goitre and cretinism survey in Shigar valley [MSc dissertation];Amacha, M.H.,1980
4. The control of endemic goitre;Demaeyer, E.M.; Lowenstein, F.W.; Thilly, C.H.,1979
5. Karakoram and eastern Turkistan;F, De Filipi