TY  - BOOK
AU  - Crombie, Ian K.
AU  - Davies, Huw
TI  - What is meta-analysis?
T2  - What is series
PY  - 2009///
CY  - London
PB  - Hayward Medical Communications
N1  - E-books; 8 pp
UR  - http://www.bandolier.org.uk/painres/download/whatis/Meta-An.pdf
ER  -