著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) J. K. Ume and K. U. Nwachukwu and L. Eweputana and A. Kalu and O.I Otuka,Pattern of Preoperative Astigmatism in Patients in South East Nigeria as Determined by Biometry,Ophthalmology Research: An International Journal,2321-7227,Sciencedomain International,2020-09-05,,,28-31,https://cir.nii.ac.jp/crid/1871992115927352064,https://doi.org/10.9734/or/2020/v13i330170