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. Author manuscript; available in PMC: 2010 Jul 22.
Published in final edited form as: J Dent Educ. 2009 Apr;73(4):499–508.

Table 4. Average times for D3 and D4 students to perform the specifed tasks (time in mean minutes ±standard deviation.

Action D3 D4
Identify need for 02 0:52 ±0:40 0:42 ±0:40
Return to cubicle 2:17 ±1:28 2:05 ±1:24
Acquire and operate tank 3:41 ±1:50 3:16 ±1:32