Butcher, C., 2012. Vision screening. British and Irish Orthoptic Journal, 9, pp.80–81. DOI: http://doi.org/10.22599/bioj.63

Butcher C. Vision screening. British and Irish Orthoptic Journal. 2012;9:80–1. DOI: http://doi.org/10.22599/bioj.63

Butcher, C. (2012). Vision screening. British and Irish Orthoptic Journal, 9, 80–81. DOI: http://doi.org/10.22599/bioj.63

Butcher C, ‘Vision Screening’ (2012) 9 British and Irish Orthoptic Journal 80 DOI: http://doi.org/10.22599/bioj.63

Butcher, Catherine. 2012. “Vision Screening”. British and Irish Orthoptic Journal 9: 80–81. DOI: http://doi.org/10.22599/bioj.63

Butcher, Catherine. “Vision Screening”. British and Irish Orthoptic Journal 9 (2012): 80–81. DOI: http://doi.org/10.22599/bioj.63

Butcher, C.. “Vision Screening”. British and Irish Orthoptic Journal, vol. 9, 2012, pp. 80–81. DOI: http://doi.org/10.22599/bioj.63