@article{fe2db74320c4471591394eba76aa5b38,
title = "A systematic review of comparisons of effect sizes derived from randomised and non-randomised studies.",
keywords = "HEALTH CARE SCIENCES \& SERVICES",
author = "R.R. MacLehose and B.C. Reeves and I.M. Harvey and T.A. Sheldon and I.T. Russell and A.M. Black",
year = "2000",
month = jan,
day = "1",
doi = "10.3310/hta4340",
language = "English",
volume = "4",
pages = "1--154",
journal = "Health Technology Assessment",
issn = "1366-5278",
publisher = "NIHR Journals Library",
number = "34",
}