@misc{indiciaed9ec04dbebe6, title = {Ocular cowpox.}, author = {C J Hall and J D Stevens}, year = {1987}, doi = {10.1016/s0140-6736(87)91954-4}, url = {https://pubmed.ncbi.nlm.nih.gov/2879168/}, note = {Source identifier: 2879168} }