Results 361 to 362 of about 21,521,804 (362)
Some of the next articles are maybe not open access.
Case-control study.
European journal of respiratory diseases. Supplement
, 1981
openaire
pubmed.ncbi.nlm.nih.gov
+1 more source
Case Control Studies
2006
openaire
copy doi
(10.4135/9781446215159.n129)
openaccessbutton.org (pdf)
+1 more source
internal medicine
biology
humans
environmental health
computer science
genetics
immunology
population
pregnancy
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