Steventon, A., Bardsley, M., Billings, J., Georghiou, T., & Lewis, G. H. (2012). The Role of Matched Controls in Building an Evidence Base for Hospital-Avoidance Schemes: A Retrospective Evaluation. Blackwell Science Inc.

Steventon, Adam, Martin Bardsley, John Billings, Theo Georghiou, und Geraint Hywel Lewis. The Role of Matched Controls in Building an Evidence Base for Hospital-Avoidance Schemes: A Retrospective Evaluation. Blackwell Science Inc, 2012.

Steventon, Adam, et al. The Role of Matched Controls in Building an Evidence Base for Hospital-Avoidance Schemes: A Retrospective Evaluation. Blackwell Science Inc, 2012.