แหล่งที่มา WikiPedia: คอพอก http://www.diseasesdatabase.com/ddb5332.htm http://www.icd9data.com/getICD9Code.ashx?icd9=240.... http://apps.who.int/classifications/icd10/browse/2... http://apps.who.int/classifications/icd10/browse/2... http://www.btf-thyroid.org/information/leaflets/32... http://www.nhs.uk/Conditions/Goitre/Pages/Introduc... https://www.nlm.nih.gov/cgi/mesh/2015/MB_cgi?field... https://www.nlm.nih.gov/medlineplus/ency/article/0...
