RT Journal T1 GUidelines for prophylaxis against pneumocystis carinii pneumonia for persons infected with human immunodeficiency virus JF JAMA JO JAMA YR 1989 FD July 21 VO 262 IS 3 SP 335 OP 339 DO 10.1001/jama.1989.03430030023008 UL http://dx.doi.org/10.1001/jama.1989.03430030023008 AB