TY - GEN AU - COCKBURN,T A AU - PORTER,E R AU - MACLEOD,K I AU - LITSEY,J D AU - CROFT,C C TI - Cincinnati's poliomyelitis immunization and surveillance program in 1961 SN - 0094-6214 PY - 1998///1101 KW - Poliomyelitis KW - immunology KW - Research KW - Vaccination N1 - Publication Type: Journal Article ER -