TY  - BOOK
AU  - Jadad, Alejandr
TI  - Randomised controlled trials : a user's guideAlejandro Jadad
SN  - 0727912089
PY  - 1998///
CY  - London
PB  - BMJ Books
KW  - Quality Control
KW  - methods
KW  - Randomized Controlled Trials
N1  - Includes bibliographical references and index
ER  -