@misc{indiciae1f99ef9d582c, title = {Screening children for visual defects.}, author = {A V MacLellan and P Harker}, year = {1977}, doi = {10.1136/bmj.2.6092.958-b}, url = {https://pubmed.ncbi.nlm.nih.gov/912389/}, note = {Source identifier: 912389} }