Lopman, BA; Andrews, N; Sarangi, J; Vipond, IB; Brown, DW; Reacher, MH; (2005) Institutional risk factors for outbreaks of nosocomial gastroenteritis: survival analysis of a cohort of hospital units in South-west England, 2002-2003. The Journal of hospital infection, 60 (2). pp. 135-43. ISSN 0195-6701 DOI: https://doi.org/10.1016/j.jhin.2004.10.021 Full text not available from this repository.

Clarke, A; Rosen, R; (2001) Length of stay. How short should hospital care be? European journal of public health, 11 (2). pp. 166-70. ISSN 1101-1262 https://researchonline.lshtm.ac.uk/id/eprint/17083 Full text not available from this repository.