TY  - GEN
AU  - DINGER,J E
TI  - Difference in persistence of smallpox and alastrim virus on the chorio-allantois
SN  - 0366-9378
PY  - 2002///0501
KW  - Allantois
KW  - Humans
KW  - Smallpox
KW  - Variola virus
N1  - Publication Type: Journal Article
ER  -