Schwarzer, G; Carpenter, J; Rucker, G; (2010) Empirical evaluation suggests Copas selection model preferable to trim-and-fill method for selection bias in meta-analysis. Journal of clinical epidemiology, 63 (3). pp. 282-288. ISSN 0895-4356 DOI: https://doi.org/10.1016/j.jclinepi.2009.05.008 Full text not available from this repository.