Puri, R NThakur, VNema, H V1983-01-012009-05-291983-01-012009-05-291983-01-01Puri RN, Thakur V, Nema HV. "Role of zinc (Yashad Bhasma) in arrest of myopia". Indian Journal of Ophthalmology. 1983 ; 31 Suppl(): 816-22http://imsear.searo.who.int/handle/123456789/69944engAdolescentAdultChildClinical Trials as TopicDouble-Blind MethodFemaleHumansMaleMyopia --drug therapyZinc --therapeutic useClinical Trial