TY - GEN AU - NIZZI,U AU - TONELLI,E TI - [Frequency of diphtheria bacillus carriers in adults] SN - 0035-6921 PY - 2002///0501 KW - Bacillus KW - Corynebacterium diphtheriae KW - Diphtheria KW - transmission KW - Heterozygote N1 - Publication Type: Journal Article ER -