Land agent factor. Today the term estate manager or similar is more common. A land agent, also called a warrant agent, may also be a real estate agent or broker who specialises in land and farm sales. Land and farm sales differ drastically from sales of houses, therefore there is the need for specialisation. This usage is found in the United Kingdom, Australia, and the United States. The land agent can also be an agent of the oil and mining industry who negotiates with landowners for mineral and surface rights for the potential extraction of those minerals. This usage is primarily found
Antithyroid agent Antithyroid agent An antithyroid agent is a hormone antagonist acting upon thyroid hormones. The main antithyroid drugs are carbimazole (in the UK), methimazole (in the US), and propylthiouracil/PTU. A less common antithyroid agent is potassium perchlorate. In Graves' disease, treatment with antithyroid medications must be given for six months to two years, in order to be effective. Even then, upon cessation of the drugs, the hyperthyroid state may recur. Side effects of the antithyroid medications include a potentially fatal reduction in the level of white blood cells. A randomized control trial testing single dose treatment for Graves' found methimazole achieved