TY  - GEN
AU  - CRAIG,J P
TI  - Diphtheria: prevalence of inapparent infection in a nonepidemic period
SN  - 0002-9572
PY  - 1998///1101
KW  - Asymptomatic Infections
KW  - Diphtheria
KW  - immunology
KW  - Prevalence
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.2105/ajph.52.9.1444
ER  -