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Hawkins, N; Richardson, G; Sutton, AJ; Cooper, NJ; Griffiths, C; Rogers, A; Bower, P; (2011) Surrogates, meta-analysis and cost-effectiveness modelling: a combined analytic approach. Health economics, 756. pp. 742-756. ISSN 1057-9230 DOI: https://doi.org/10.1002/hec.1741 Full text not available from this repository.

de Souza, EM; Grundy, E; (2007) Intergenerational interaction, social capital and health: Results from a randomised controlled trial in Brazil. Social science & medicine (1982), 65 (7). pp. 1397-1409. ISSN 0277-9536 DOI: https://doi.org/10.1016/j.socscimed.2007.05.022 Full text not available from this repository.

Mills, N; Metcalfe, C; Ronsmans, C; Davis, M; Lane, JA; Sterne, JAC; Peters, TJ; Hamdy, FC; Neal, DE; Donovan, JL; (2006) A comparison of socio-demographic and psychological factors between patients consenting to randomisation and those selecting treatment (the ProtecT study). Contemporary clinical trials, 27 (5). pp. 413-419. ISSN 1551-7144 DOI: https://doi.org/10.1016/j.cct.2006.04.008 Full text not available from this repository.

Sheikh, A; Smeeth, L; Ashcroft, R; (2002) Randomised controlled trials in primary care: scope and application. The British journal of general practice, 52 (482). pp. 746-51. ISSN 0960-1643 https://researchonline.lshtm.ac.uk/id/eprint/17427 Full text not available from this repository.

Simons, J; Reynolds, J; Morison, L; (2001) Randomised controlled trial of training health visitors to identify and help couples with relationship problems following a birth. The British journal of general practice, 51 (471). pp. 793-9. ISSN 0960-1643 https://researchonline.lshtm.ac.uk/id/eprint/17119 Full text not available from this repository.