TY  - RPRT
TI  - Developing new smallpox vaccines.
AU  - S R Rosenthal
AU  - M Merchlinsky
AU  - C Kleppinger
AU  - K L Goldenthal
DO  - 10.3201/eid0706.010602
UR  - https://pubmed.ncbi.nlm.nih.gov/11747717/
ID  - 11747717
ER  -