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pro vyhledávání: '"Hamaedullah Arif"'
Autor:
Waleed Akbar, Muhammad Faisal Fahim, Ayesha Hameed, Hamaedullah Arif, Seema N. Mumtaz, Saqib Hameed
Publikováno v:
Biometrics & Biostatistics International Journal. 4
Objective: To find frequency of refractive errors among bus drivers of Karachi. Methodology: This cross sectional descriptive study was conducted in four different regions of Karachi during 2015, study tools were pretested Questionnaire, visual tests