Int J Occup Environ Med

The Association between Occupational Categories and Incidence of Cardiovascular Events: A Cohort Study in Iranian Male Population

Clin Exp Ophthalmol

Five-year change in refraction and its ocular components in the 40- to 64-year-old population of the Shahroud eye cohort study

Corneal elevation and keratoconus indices in a 40- to 64-year-old population, Shahroud Eye Study