www.ajconline.org
www.nature.com/ajg/index.html
www.interscience.wiley.com
www.ajkd.org/issues
www.ajrccm.atsjournals.org
www.amjmed.com
www.archinte.ama-assn.org
www.annals.org
www.bmj.com
www.circ.ahajournals.org
www.clinical.diabetesjournals.org
www.journals.lww.com
www.diabetes.diabetesjournals.org
www.care.diabetesjournals.org
www.eurheartj.oxfordjournals.org
www.elsevier.com
www.wiley.com
www.gastrojournal.org
www.hyper.ahajournals.org
www.jama.ama-assn.org
www.jco.ascopubs.org
www.springer.com
www.content.onlinejacc.org
www.aafp.org
www.nature.com/ki/index.html
www.sciencedirect.com
Assessing risk of bias
Research Methodology Article