A written agreement which explicitly states a fixed duration that the contract will be in effect. The signing parties are obligated to adhere to the terms and conditions within the contract until the expiration, or end date, of the contract. http://www.businessdictionary.com/definition/term-contract.html.
The most common symptoms of Lou Gehrig's Disease are: 1  twitching. 2  cramping, or stiffness of muscles. 3  muscle weakness affecting an arm or a leg.  slurred and nasal 1  speech. or difficulty chewing or swallowing.
Addison's disease in dogs and cats is an extremely difficult disease to diagnose because the symptoms resemble those of many other diseases. For example, excessive drinking and urinating commonly resembles diabetes. Anorexia, vomiting, and diarrhea resemble gastrointestinal diseases and parasitic infections.