BILAL , A. .; SATTAR, M. .; KHAN, M. . . Frequency Of Refractive Error in School Going Children Visiting Eye OPD with Complain of Headache and Eye Strain: Refractive Error in School Going Children. Pakistan BioMedical Journal, [S. l.], v. 5, n. 8, p. 31–35, 2022. DOI: 10.54393/pbmj.v5i8.678. Disponível em: https://pakistanbmj.com/journal/index.php/pbmj/article/view/678. Acesso em: 9 dec. 2022.