Letrozole belongs to a class of drugs known as nonsteroidal aromatase inhibitors. Letrozole decreases the amount of estrogen in the body. Because many types of breast cancer cells require estrogen to grow, this drug may slow or stop the growth of cancer cells. Letrozole is given as a tablet taken by mouth.
Earnings as a Veterinary Surgeon. The lowest-earning 10 percent of veterinarians earned below $46,610 in May 2008, and the highest-earning 10 percent earned above $143,660, according to the BLS.
As of May of 2012, veterinarians make an average of $84,460 a year in the United States. This can vary according to the practice location and specialty,... As of May of 2012, veterinarians make an average of $84,460 a year in the United States. This can vary according to the practice location and specialty, however. Veterinarians normally either treat small animals commonly kept as pets, such as dogs, cats and those of the rodent family or livestock or exotic animals.