Hartman, E; Grieve, R; Ramsahai, R; Sekhon, JS; (2015) From sample average treatment effect to population average treatment effect on the treated: combining experimental with observational studies to estimate population treatment effects. Journal of the Royal Statistical Society: Series A (Statistics in Society). n/a-n/a. ISSN 1467-985X DOI: https://doi.org/10.1111/rssa.12094 Full text not available from this repository.