In coordinate geometry, a square is similar to an ordinary square (See Square definition ) with the addition that its position on the coordinate plane is known. 1  Each of the four vertices (corners) have known coordinates. From these coordinates, various properties such as width, height etc can be found.
If your family doctor suspects that you may have a more serious illness such as hepatitis, in which the liver is severely compromised, he may send you to a hepatologist. Liver disease is the main, comprehensive focus of the hepatologist, who receives specialized training in the diagnosis and treatment of the disease.
Written by Melissa Palmer, MD. Melissa Palmer, MD is the author of  Dr. Melissa Palmer's Guide of Hepatitis and Liver Disease. (Published 2004. Penguin Putnam). There are many different kinds of doctors who evaluate and treat people with liver disorders. First, there is the family physician or internist. These doctors are also referred to as primary care physicians (PCPs). They are often the first ones to discover that something is wrong with the liver.