1. Prevention and control of influenza: recommendations of Advisory Commitee on Immunization (ACIP);MMWR Morb Mortal Wkly Rep,1997
2. Which are the vaccines that human immunodeficiency virus infected patients must serve?;Valencia Ortega;An Med Interna,1998
3. Influenza-associated morbidity and mortality in young and middle-aged women;Neuzil;JAMA,1999
4. Influenza-like episodes in HIV-positive;Khoo;AIDS,1998
5. Efficacy of influenza vaccination in HIV-infected persons. A randomized double-blind, placebo-controlled trial;Tasker;Ann Intern Med,1999