TY  - BOOK
AU  - Miettinen O S
TI  - Epidemiological research: terms and concepts
SN  - 978-94-007-1170-9
U1  - 614.4 
PY  - 2011///
CY  - Dordrecht
PB  - Springer-Verlag
KW  - Epidemiology-research-methodology
ER  -