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. 2013 Apr 23;5(3):185–193. doi: 10.4021/jocmr1320w

Table 2. Summary of IRB Study Closures According to Reporting Entity, Northwestern University, 2010 - 2011.

Reporting Entity No NACR ≤ 1 NACR Only NACR Total
Principal Investigator 224 (68.3%) 71 (21.7%) 33 (10.0%) 328
Department/ Division 31 (42.3%) 34 (48.6) 5 (7.1%) 70