Health professionals challenge US smallpox vaccination plan.
Moynihan
Ray
R
D006282:Health Personnel; D006801:Humans; D007750:Labor Unions; D012899:Smallpox / Q000517:prevention & control*; D012900:Smallpox Vaccine / Q000008:administration & dosage*; D014481:United States; D014611:Vaccination
D012900:Smallpox Vaccine