TY  - RPRT
TI  - Quantitative synthesis in systematic reviews.
AU  - J Lau
AU  - J P Ioannidis
AU  - C H Schmid
PY  - 1997
DO  - 10.7326/0003-4819-127-9-199711010-00008
UR  - https://pubmed.ncbi.nlm.nih.gov/9382404/
ID  - 9382404
ER  -