TY - GEN TI - Acceptance and efficacy of pneumococccal vaccine SN - 0256-9574 PY - 1980///1027 KW - Attitude of Health Personnel KW - Bacterial Vaccines KW - adverse effects KW - Child, Preschool KW - Humans KW - Pneumococcal Infections KW - etiology KW - Streptococcus pneumoniae KW - United States N1 - Publication Type: Editorial ER -