Period before a clinical trial is commenced when no treatment is given.
1After a washout period of 4 wk, dietary regimens were crossed over.
2Each dose was separated from the other by a 3-day washout period.
3Readers scored lesions during two readout rounds with a 4-week washout period.
4We collected blood at baseline and after each treatment and washout period.
5After a 1-month washout period, patients were crossed over to the alternative treatment.
6There was a washout period of more than 3 weeks between each regimen.
7Between the two treatment periods, a 2-week washout period was scheduled.
8These agents were used in all patients with a washout period of 14 days.
9Following repeat measurements, iNO was discontinued with a subsequent washout period of 10 min.
10After a 3-wk washout period, participants were crossed over to the alternate supplement schedule.
11A 7-day washout period separated the two treatment periods.
12An 8-week washout period was implemented between the interventions.
13The washout period between the phases was 4 wk.
14Between trials, a 4-week washout period will be implemented.
15A 2-week washout period was permitted before the crossover.
16The treatments were separated by a 3-wk washout period.
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