A survey reveals that urinary tract calculi formation is very common in different areas of Pakistan. This may be due to many factors
related to water mineral contents, diet composition and environmental factors. The aim of present study is to determine the chemical
composition of urinary calculi in patients of different area of Pakistan of both sexes. The quantitative analyses were carried out by
spectrophotometric method. The majority of stones were found to be calcium oxalate type stones with an overall male to female ratio
6:1.
