Spring Chenoa COOPER ; Rachel SKINNER
Singapore medical journal 2009;50(8):841-author reply 843
Adolescent ; Communicable Disease Control ; legislation & jurisprudence ; Female ; Humans ; Immunization Programs ; Male ; Mandatory Programs ; Papillomaviridae ; immunology ; Papillomavirus Vaccines ; therapeutic use ; Patient Compliance ; Risk ; United States ; Vaccination ; legislation & jurisprudence ; trends