Full text
PDF







Selected References
These references are in PubMed. This may not be the complete list of references from this article.
- Miller D. L., Pereira M. S., Clarke M. Epidemiology of the Hong Kong-68 variant of influenza A2 in Britain. Br Med J. 1971 Feb 27;1(5747):475–479. doi: 10.1136/bmj.1.5747.475. [DOI] [PMC free article] [PubMed] [Google Scholar]
- NORMAN L. G. The health of London's travelling public. R Soc Health J. 1959 May-Jun;79(3):229–241. doi: 10.1177/146642405907900308. [DOI] [PubMed] [Google Scholar]
- WILLIAMS R. E. O., HIRCH A. Bacterial contamination of air in underground trains. Lancet. 1950 Jan 21;1(6595):128-31, illust. doi: 10.1016/s0140-6736(50)90081-x. [DOI] [PubMed] [Google Scholar]
