Multicenter, Randomized, Double-Blind, Double-Dummy, Parallel-Group Comparison of the Remission Rates of Once Daily Treatment With Esomeprazole 20mg and Lansoprazole 15mg for 6 Months in Patients Whose EE Has Been Healed

Multicenter, Randomized, Double-Blind, Double-Dummy, Parallel-Group Comparison of the Remission Rates of Once Daily Treatment With Esomeprazole 20mg and Lansoprazole 15mg for 6 Months in Patients Whose EE Has Been Healed