BBC News Health - Human Gland evolved from Gills «
http://news.bbc.co.uk/2/hi/health/4067039.stm | | The human parathyroid gland , which regulates calcium levels , probably evolved from fish gills , say researchers. |
Endocrine Surgeon: Parathyroid «
http://www.endocrinesurgeon.co.uk/parathyroids/parathyroid1.html | | Includes a history , symptoms , diagnosis , and related topics done in a easy to read format. |
Parathyroid. com «
http://www.parathyroid.com/ | | Discusses diseases , symptoms , tests , and treatments , including mini-surgery. |
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