title: The Clay column.
authors: T
authors: T
authors: Clay
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000451:nursing*; D003152:Community Health Nursing; D004506:Education, Nursing; D006678:HIV; D015658:HIV Infections / Q000451:nursing; D049673:History, 20th Century; D006801:Humans; D013222:State Medicine; D006113:United Kingdom