1. Most solitary thyroid nodules should be removed;Degroot, U.,1974
2. Thyroid nodules. Surgery is usually not necessary;Geer, M.A.,1974
3. Thyroid nodules. Clin Endocrinol Metab;Beckers, C.,1979
4. The problem of malignancy in nodular goitre;Sokal, J.E.;JAMA,1959
5. Prediction of malignancy in solitary thyroid nodules;Kendall, L.W.; Condon, R.E.;Lancet,1969