1. Recommendations of the Immunization Practices Advisory Committee (ACIP): prevention and control of influenza;CDC;MMWR,1984
2. Prevention and control of influenza: recommendations of the Advisory Committee on Immunization Practices (ACIP);CDC;MMWR,2004
3. Prevention and control of influenza: recommendations of the Advisory Committee on Immunization Practices (ACIP);CDC;MMWR,2004
4. Preventing nosocomial influenza by improving the vaccine acceptance rate of clinicians;Salgado;Infect Control Hosp Epidemiol,2004
5. Requiring influenza vaccination for health care workers: seven truths we must accept;Poland;Vaccine,2005