“…Even with relatively low doses such as 2.0mg/day, normalization or satisfactory blood pressure reduction e.g. a 10mmHg reduction in BP occurs in about 70% of patients, as demonstrated by many studies with distinct follow-up periods 2,3 . Furthermore, the antihypertensive efficacy of this drug over placebo 2,4 and similar to that of many other antihypertensive compounds 5 has been clearly demonstrated by several studies.…”