TY  - RPRT
TI  - [Nonparenteral immunization methods against smallpox].
AU  - A A Vorob'ev
AU  - V N Podkuĭko
AU  - V V Mikhaĭlov
AU  - A A Makhlaĭ
UR  - https://pubmed.ncbi.nlm.nih.gov/9082715/
ID  - 9082715
ER  -