sv.
NLK
Directory of Open Access Journals
from 2021
Free Medical Journals
from 1983 to 1 year ago
PubMed Central
from 2008
Open Access Digital Library
from 1983-12-01
Open Access Digital Library
from 1983-12-01
Oxford Journals Open Access Collection
from 1983-12-01
Oxford Journals Open Access Collection
from 2002
ROAD: Directory of Open Access Scholarly Resources
from 1983
Knihovny.cz ISSN
0737-4038
1537-1719
domovská stránka časopisu
sv.
NLK
Wiley Online Library (archiv)
from 2000-01-01 to 2012-12-31
Knihovny.cz ISSN
0014-3820
1558-5646
domovská stránka časopisu
domovská stránka časopisu
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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