Whose work first described the symptoms that characterize autism?

The first step in treating water from a river or lake is usually

Stasis of blood flow from immobility injury to a vessel or predisposition to clot formation increase the risk of

Which of the following statements about the societal costs of tobacco use is true? a. tobacco use affects the tax rate of only those individuals who smoke. b. the negative effects of tobacco use are only experienced by the smoker. c. tobacco users contribute to an overall loss of productivity. d. increased healthcare costs are mainly absorbed by tobacco users