Br J Ophthalmol. 1976 Aug;60(8):600. doi: 10.1136/bjo.60.8.600.
The British journal of ophthalmology
F A Billson, D Danks
PMID: 974062 PMCID: PMC1042759 DOI: 10.1136/bjo.60.8.600 Free PMC Article
[No abstract available.]