Exclusion
- Non-randomized studies
- Case reports, editorials, letters and reviews.
- Studies in pediatric age group (age< 18 years) will be
excluded.
- Not containing data on stone expulsion rate at the completion of
study.
- Use of uncommonly used drugs such as terazosin, doxazosin and
anticholinergics
Studies were then selected for full-text review following initial title
and abstract screening. Full-text review was then performed and studies
satisfying inclusion and exclusion criteria were included in review. At
any point of discrepancy between two study authors arbitration with
other study authors was done (ST & TP).