1 |
An introduction to systematic review
Hyeong Sik Ahn, Hyun Jung Kim
J Korean Med Assoc.2014;57(1):49-59. Published online 2014 January 16
DOI: http://dx.doi.org/10.5124/jkma.2014.57.1.49
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2 |
Primary registry of the WHO International Clinical Trial Registry Platform: Clinical Research Information Service (CRIS)
Hyun-Young Park
J Korean Med Assoc.2011;54(1):92-97. Published online 2011 January 15
DOI: http://dx.doi.org/10.5124/jkma.2011.54.1.92
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