Research Article Aviation medicine. Special forms of flight. IV: Manned spacecraft. Br Med J (Clin Res Ed) 1983; 287 doi: http://dx.doi.org/10.1136/bmj.287.6390.478 (Published 13 August 1983) Cite this as: Br Med J (Clin Res Ed) 1983;287:478 Article Related content Metrics Responses Peer review This is a PDF-only article. The first page of the PDF of this article appears below.