en double blind research study (n)
― IsA ⟶
Weight: 1.0
en research study (n) Source: OpenCyc 2012
en controlled research study (n)
― IsA ⟶
Weight: 1.0
en research study (n) Source: OpenCyc 2012
en randomised research study (n)
― IsA ⟶
Weight: 1.0
en research study (n) Source: OpenCyc 2012
en research study (n)
― IsA ⟶
Weight: 1.0
en research project (n) Source: OpenCyc 2012