Randomised and non-randomised studies: threats to internal and external validity
Sanderson, C; McKee, M
; Britton, A; Black, N; McPherson, K; Bain, C and
(2001)
Randomised and non-randomised studies: threats to internal and external validity.
In: Stevens, A; et al, (eds.)
Advanced Handbook of Methods in Evidence Based Healthcare.
Sage Publications, pp. 95-115.
https://researchonline.lshtm.ac.uk/id/eprint/17766
Item Type | Book Section |
---|---|
Date Deposited | 17 Oct 2011 22:53 |
ORCID: https://orcid.org/0000-0002-0121-9683