NLK
Free Medical Journals
from 1997 to 1 year ago
Medline Complete (EBSCOhost)
from 1972-01-01 to 1 year ago
Wiley Online Library (archiv)
from 1997-01-01 to 2012-12-31
Wiley Free Content
from 1997 to 1 year ago
The link will be redirected to the address of the production version after the testing phase.
AND or + signifies AND operation (intersection)
OR or | signifies OR operation (union)
- negates a single word
" wraps text to signify a phrase
* at the end of a term signifies a right-side expansion
( and ) signify precedence
~N after a word signifies edit distance (fuzziness)
~N after a phrase signifies words distance