@misc{indiciaeff730d31b267, title = {[Nonparenteral immunization methods against smallpox].}, author = {A A Vorob'ev and V N Podkuĭko and V V Mikhaĭlov and A A Makhlaĭ}, url = {https://pubmed.ncbi.nlm.nih.gov/9082715/}, note = {Source identifier: 9082715} }