TY  - GEN
AU  - PARMALA,M E
TI  - [Diphtheria today]
SN  - 0039-5560
PY  - 2002///0501
KW  - Biometry
KW  - Cephapirin
KW  - Diphtheria
KW  - statistics & numerical data
KW  - Humans
N1  - Publication Type: Journal Article
ER  -