Kraiem Hazar,
PubMed comprises more than 22 million citations for biomedical literature from MEDLINE, life science journals, and online books.
PubMed comprises more than 22 million citations for biomedical literature from MEDLINE, life science journals, and online books.
http://www.ncbi.nlm.nih.gov/pubmed/22886258
http://www.ncbi.nlm.nih.gov/pubmed/22886243
http://www.ncbi.nlm.nih.gov/pubmed/22886243