HERDIN (Philippine Health Research Registry)

Search options

Default operator AND

Boolean operators OR, NOT

Phrase searching "breast cancer"

Nesting No (best to use the Advanced search) 

Truncation Unclear

Field tags In the Advanced search option, fielded searches can be carried out.

Hyphens Hyphens are not treated as spaces, so both terms should be searched

Help pages Pop up search hints

Example "breast cancer" OR "lung cancer"

Saved searches No

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