randomly into two groups: 10 patients drank lemon juice and 8 patients had free period. At the end of two weeks the pa- tients switched to the other period (lemon juice to free period, free to lemon juice period) following second BP measure- ment and third BP measurement was done two weeks later.
2. Treatment of patients did not change during the study.
3. Blood pressure was measured by an ambulatory BP measurement device every 30 minutes for 24 hours beginning from 9 AM.
4. The patients drank 50 ml of fresh lemon juice at 11 AM.
5. We gave the required amount of lemon, a squeezer, and a scale to the patients.
6. All BP measurements were done from left arm.