Appendix A. Literature Search Strings

Publication Details

B Vitamins (Feb 2, 2005)

Ovid MEDLINE® <1966 to Jan Week 3 2005>

Ovid MEDLINE® Daily Update <Jan 31, 2005>

Ovid MEDLINE® In-Process & Other Non-Indexed Citations <Jan 31, 2005>

CAB Abstracts <1973 to Dec 2004>

Berries (Mar 3, 2005)

Ovid MEDLINE® <1966 to Feb Week 4 2005>

Ovid MEDLINE® Daily Update <Mar 02, 2005>

Ovid MEDLINE® In-Process & Other Non-Indexed Citations <Mar 02, 2005>

CAB Abstracts <1973 to Jan 2005>