A comprehensive immunization strategy to eliminate transmission of hepatitis B virus infection in the United States. Recommendations of the Advisory Committee on Immunization Practices (ACIP); part 1: immunization of infants, children, and adolescents. MMWR Recomm Rep 2005;54(RR-16):1-34. Also available from: URL: http://www.cdc.gov/mmwr/PDF/rr/rr5416.pdf [cited 2008 Oct 27].
Centers for Disease Control and Prevention (US). Syndemics prevention network: spotlight on syndemics [cited2008 Oct 26]. Available from: URL: http://www.cdc.gov/syndemics
5.
MaslowAG. A theory of human motivation. Psych Rev1943; 50:370–96.