You are meeting parents of a -year-old boy who has normal developmental milestone and social interaction; they have older child with autism; they have a concern about having this young kid with autism as well. You state that most children with autism have clinical manifestations by the age of

You are meeting parents of a -year-old boy who has normal developmental milestone and social interaction; they have older child with autism; they have a concern about having this young kid with autism as well. You state that most children with autism have clinical manifestations by the age of

Conversion reactions are best characterized by

Major depression is characterized by

Arsine gas is colorless, odorless, nonirritating, and highly toxic. Inhalation causes no immediate symptoms. After a latent period of 2-24 hr, exposed individuals experience

In cases in which the delayed onset of respiratory symptoms may be the result of a terrorist attack, consideration should be given to the empirical administration of an antibiotic effective against anthrax, plague, and tularemia. A reasonable choice is