<qa>  What is the first time a sublingual tablet is taken twice daily?Dosing Test or Reference drug EQ 10mg base sublingual tablets are to be taken twice daily, once in the morning and once in the evening, for a period of 7 days before crossing-over to receive the next drug assigned for a period of 7 days, followed by a period of 7 days where the third drug assigned will be received.. There will be a total of three 7-day treatment periods during which each subject will receive the test product in one period and the reference product in two other periods. 