Ingram, R. M., Walker, C., Wilson, J. M., Arnold, P. E., Lucas, J., & Dally, S. (1985). A first attempt to prevent amblyopia and squint by spectacle correction of abnormal refractions from age 1 year.

Ingram, R M., C. Walker, J M. Wilson, P E. Arnold, J. Lucas, und S. Dally. A First Attempt to Prevent Amblyopia and Squint By Spectacle Correction of Abnormal Refractions From Age 1 Year. 1985.

Ingram, R M., et al. A First Attempt to Prevent Amblyopia and Squint By Spectacle Correction of Abnormal Refractions From Age 1 Year. 1985.