The potential and limitations of meta-analysis.
Spector
T D
TD
Department of Environmental and Preventive Medicine, St Bartholomew's Hospital Medical College, London.
Thompson
S G
SG
D006801:Humans; D015201:Meta-Analysis as Topic; D011643:Publishing; D016032:Randomized Controlled Trials as Topic; D012107:Research Design; D013223:Statistics as Topic