@misc{indiciae4938353795d6, title = {FOUR RECENT INFLUENZA EPIDEMICS: AN EXPERIMENTAL STUDY.}, author = {F L Horsfall and R G Hahn and E R Rickard}, year = {1940}, doi = {10.1172/jci101140}, url = {https://pubmed.ncbi.nlm.nih.gov/16694754/}, note = {Source identifier: 16694754} }