@misc{indiciae2c1590736935, title = {[Smallpox, eradication and infectious diseases].}, author = {O P Forattini}, year = {1988}, doi = {10.1590/s0034-89101988000500001}, url = {https://pubmed.ncbi.nlm.nih.gov/2854910/}, note = {Source identifier: 2854910} }