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  • By: Thomas V. Merluzzi, Carolyn A. Heitzmann & Robert W. Clausen
  • In: Encyclopedia of Counseling
  • Edited by: Frederick T. L. Leong
  • Subject:General Counseling & Psychotherapy, Counseling Psychology

In the early 1980s, an unusual collection of clinical entities appeared that were characterized by aggressive opportunistic infections and malignancies in otherwise healthy individuals. These individuals also demonstrated a severe compromise of immune defense mechanisms. The ...

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