TY  - RPRT
TI  - A guide to systematic reviews.
AU  - Ian G Needleman
PY  - 2002
DO  - 10.1034/j.1600-051x.29.s3.15.x
UR  - https://pubmed.ncbi.nlm.nih.gov/12787202/
ID  - 12787202
ER  -