(Q50677615)
Statements
1 reference
Influenza and pneumococcal vaccination levels among persons aged > or = 65 years--United States, 1999. (English)
1 reference
Centers for Disease Control and Prevention (CDC)
1 reference
1 June 2001
1 reference
50
1 reference
25
1 reference
532-537
1 reference
Identifiers
1 reference