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. Author manuscript; available in PMC: 2008 Sep 1.
Published in final edited form as: Contemp Clin Trials. 2007 Feb 27;28(5):638–646. doi: 10.1016/j.cct.2007.02.003
Type Sequence Period 1 Period 2
1 AB μ1A + ρ1 + ν1 μ1B − ρ1 + ν1
1 BA μ1B + ρ1 − ν1 μ1A − ρ1 − ν1
2 AB μ2A + ρ2 + ν2 μ2B − ρ2 + ν2
2 BA μ2B + ρ2 − ν2 μ2A − ρ2 − ν2