sourcedb sourceid url PubMed 23370928 http://pubannotation.org/docs/sourcedb/PubMed/sourceid/23370928 PubMed 8598276 http://pubannotation.org/docs/sourcedb/PubMed/sourceid/8598276 PubMed 22704320 http://pubannotation.org/docs/sourcedb/PubMed/sourceid/22704320 PubMed 22449074 http://pubannotation.org/docs/sourcedb/PubMed/sourceid/22449074 PubMed 21836470 http://pubannotation.org/docs/sourcedb/PubMed/sourceid/21836470 PubMed 23254207 http://pubannotation.org/docs/sourcedb/PubMed/sourceid/23254207 PubMed 23379540 http://pubannotation.org/docs/sourcedb/PubMed/sourceid/23379540 PubMed 3196845 http://pubannotation.org/docs/sourcedb/PubMed/sourceid/3196845 PubMed 22794198 http://pubannotation.org/docs/sourcedb/PubMed/sourceid/22794198 PubMed 23182530 http://pubannotation.org/docs/sourcedb/PubMed/sourceid/23182530