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    • Beach, Richard S.; Mantero-Atienza, Emilio; Fordyce-Baum, Marianna K.; Prineas, Ronald K.; Zelaya, Enrique; de Alvarenga, Mirna Thiebaud; Loyola, Luis Antonio; Gosset, Guillermo; Espejo Torres, Romilio; Uribe, Paulina; Sepulveda, Cecilia; O'brien, Thomas R.; Heyward, Wil (1989)
      To the Editor: Regarding the issue of HIV infection and AIDS in the Americas, the situation in Brazil reported by Cortes et al. (April 13 issue)1 is certainly not unique. The authors suggest a fourth pattern of the spread ...