TY  - RPRT
TI  - Is an internal comparison better than using national data when estimating mortality in longitudinal studies?
AU  - T R Card
AU  - M Solaymani-Dodaran
AU  - R Hubbard
AU  - R F A Logan
AU  - J West
PY  - 2006
DO  - 10.1136/jech.2005.041202
UR  - https://pubmed.ncbi.nlm.nih.gov/16905729/
ID  - 16905729
ER  -