How many more years do you have to go? <a href=" http://gansoypulpo.com/dir-aut/perez-zuniga/ ">lioresal 25 mg prospect</a> N'DJAMENA, Oct 22 (Reuters) - Chad has allowed ChinaNational Petroleum Corporation to resume operationssuspended in August for violations of environmental standardswhile drilling for oil in the south of the country.