1) Skin, umbilicus, respiratory tract were primary route of infection.

2) The primary route to increase peasants' income is to reform traditional agricultural production system by through system creativity.

3) The primary route of exposure is through inhalation. The acute effects of benzene intoxication in the CNS including euphoria, headache, staggering gait,(http:///primary route.html) stupor and coma.

4) Green panels indicate that the primary route starts at the junction ahead.

5) Now mostly abandoned, Route 66 was the primary route between Chicago and Los Angeles in the mid-twentieth century, a route especially popular with Dust Bowl migrants.

6) The target can be tracked when it leaves, primary route suddenly by stochastic processing using the statistical characteristic of Kalman filtering.

7) Contrary to previous beliefs, the stomach is not the primary route by which ethanol enters the blood.

8) Mother-to-child transmission is one of the three routes of HIV transmission and is also the primary route of HIV infection in children.

9) For people who do not work in the metal industry, a primary route of exposure to the chemicals is food, according to the EPA action plan.

10) Route numbers on a green background show the direction to a primary route.

11) Objective: The study was designed to check the feasibility of the vaginal route as the primary route for hysterectomy.

12) Partner treatment is not necessary since this is not a primary route of transmission.

13) In order to obtain an economical. high-effective and low-loss primary route, this paper leads genetic algorithm into primary routing system as a searching mechanism.

14) The series of equal right, granted to farmers by the Constitution and Law of Labor, is the primary route to solve the farmers' problems at the new stage.