Box 6.3.c: Example of exclusion of MEDLINE and EMBASE records when searching CENTRAL
Note: the example is for illustrative purposes only. A search of CENTRAL for a systematic review on this topic would require a wide range of alternative terms for both tamoxifen and breast cancer.
#1 #2 #3 #4 #5 #6 #7 |
"accession number" near pubmed "accession number" near2 embase #1 or #2 tamoxifen (breast near cancer) #4 and #5 #6 not #3 |