TY - GEN AU - Li,L TI - [A study on the safety of four vaccines of children EPI at the same time and the results of the immunological responses after vaccination] SN - 0254-6450 PY - 1989///1218 KW - Antibodies KW - analysis KW - BCG Vaccine KW - administration & dosage KW - Child, Preschool KW - Diphtheria Toxoid KW - Humans KW - Immunization Schedule KW - Infant KW - Measles Vaccine KW - Pertussis Vaccine KW - Poliovirus Vaccine, Oral KW - Tetanus Toxoid KW - Vaccines N1 - Publication Type: English Abstract; Journal Article ER -