Used tractor prices will vary depending on age and model of each tractor. A farmer uses a tractor to pull a cultivator. Used farm tractors have their own blue book where a person can look up their approximate value.
anabolic steroid any of a group of synthetic derivatives of testosterone having pronounced anabolic properties and relatively weak androgenic properties; they are used clinically mainly to promote growth and repair of body tissues in diseases or states promoting catabolism or tissue wasting.nabolic steroid any of a group of synthetic derivatives of testosterone having pronounced anabolic properties and relatively weak androgenic properties; they are used clinically mainly to promote growth and repair of body tissues in diseases or states promoting catabolism or tissue wasting.
The Use of Steroids. Introduction. Steroids (prednisone, methylprednisolone, and dexamethasone) have been used to treat asthma and other lung diseases for over 25 years. They are the most potent drugs used to treat asthma but, unfortunately, also have the largest number of unwanted side effects.