R. Doran

Chandna, A., Karki, C., Davis, J., & Doran, R. M. (1989). Preferential Looking in the Mentally Handicapped. Eye (Lond)Eye (Lond), 3, 833-839.
Chandna, A., Pearson, C. M., & Doran, R. M. (1988). Preferential looking in clinical practice: a year's experience. Eye (Lond)Eye (Lond), 2 ( Pt 5), 488-95.