TY  - BOOK
A2  - David Gough, Sandy Oliver, James Thomas.
A3  - Oliver, Sandy.
A3  - Thomas, James.
AU  - Gough, David.
ET  - Repr.
NV  - X, 288 s. :
PY  - 2013
SN  - 9781849201803
SN  - 9781849201810
TI  - An introduction to systematic reviews /
ER  -