Trade agreement. Trade agreement, any contractual arrangement between states concerning their trade relationships. Trade agreements may be bilateral or multilateralâthat is, between two states or more than two states. 1  For most countries international trade is regulated by unilateral barriers of several types, including tariffs, nontariff barriers, and outright prohibitions.
Test Overview. A urine culture is a test to find and identify germs (usually bacteria) that may be causing a urinary tract infection (UTI) . Urine in the bladder normally is sterileâit does not contain any bacteria or other organisms (such as fungi).But bacteria can enter the urethra and cause an infection.est Overview. A urine culture is a test to find and identify germs (usually bacteria) that may be causing a urinary tract infection (UTI) . Urine in the bladder normally is sterileâit does not contain any bacteria or other organisms (such as fungi). But bacteria can enter the urethra and cause an infection.
Test Overview. A urine culture is a test to find and identify germs (usually bacteria) that may be causing a urinary tract infection (UTI) . Urine in the bladder normally is sterileâit does not contain any bacteria or other organisms (such as fungi).But bacteria can enter the urethra and cause an infection.A urine sample is kept under conditions that allow bacteria and other organisms to grow. If few or no organisms grow, the test is negative.rine in the bladder normally is sterileâit does not contain any bacteria or other organisms (such as fungi). But bacteria can enter the urethra and cause an infection. A urine sample is kept under conditions that allow bacteria and other organisms to grow. If few or no organisms grow, the test is negative.