Typing hint 1.	You can bypass accents and punctuation (. , : ; etc.)!
Typing hint 2.	Don't worry about lower/upper case!
Searching all fields ...	... this query finds citations ...
asbestos	... with the word asbestos anywhere in the citation
Truncation: asbest* *propanol *ladder*	... with words ...   ... starting as asbest, e.g.: asbestosis;   ... ending with propanol, e.g.: isopropanol;   ... containing ladder, e.g.:ladder, ladders, stepladders, etc.
asbestos amiante amianto   -or- asbestos and amiante and amianto	... where all three words are present
"asbestos mining"	... containing the expression asbestos mining
"asbestos min*"	... same as above, but min* also retrieves mines, mining, etc.
asbestos or amiante or amianto	... containing any of the specified words
asbestos not cement   -or- cement -cement	... containing the word asbestos but not cement
Searching specific fields ...	... this query finds citations ...
ti/"child labour"	... where the title contains child labour
ti="child labour"	... where the title is "Child labour"
ab/child* ab/labour	... with words child, children, etc. and labour in the abstract.
Attention! ab/child* labour	... with words child, children, etc. in the abstract and labour anywhere in the record
ab/asbestosis py>2001 ab/asbestosis and py>2001   -or-	... with the word asbestosis, published later than 2001
Searchable fields:     Operators:  / - ... field contains ... = - ... field matches ... < - ... field is less than ... > - ... field is greater than ...	Field tag   Operator   Field name CIS ISN TI TO LA AU SN SER SO PY IS AB DE DEP DF DFP CAS ANY = = < > = / = / = / = / = / = / = / = < > = / = / = / = / = = = = / Bulletin number Record number Title Other language title(s) Language(s) Author(s) Series numbering Serial title Source + Serial title Publication year ISSN or ISBN Abstract Descriptors Primary descriptors Descriptor facets Primary descriptor facets CAS number for chemicals Any of the fields
Other elements ...	... can make your search more efficient
Reference to an earier query ... #12 ...	... inserts the text of that query into the current one. The reference is done by the number shown in the Search History
Precedence order of operations	#nnn (query reference) (highest), = / < > (field related), not, and, or (lowest). Parantheses can be used to overrule this order.
Parantheses ... asbestos and (cement or min*)   ab/(child* labour)	... have precedence over all other operations. Sub-result: cement or min*. Final result: asbestos and Sub-result ... is equivalent to ab/child* and ab/labour.