found: DSM III(under Anxiety states or Anxiety neuroses: "the essential features are recurrent panic (anxiety) attacks that occur at times unpredictably, though certain situations, e.g. driving a car, may become associated with a panic attack; the same clinical picture occurring during a marked physical exertion or a life-threatening situation is not termed a panic attack...a common complication of this disorder is the development of an anticipatory fear of helplessness of loss of control during a panic attack, so that the individual becomes reluctant to be alone or in public places away from home")