PT  - JOURNAL ARTICLE
ED - BMJ Publishing Group Ltd.BMA House, Tavistock Square, London, WC1H 9JR
TI  - Improvement of Visibility
AID  - 10.1136/bjo.5.12.558
DP  - 1921 Dec 01
TA  - British Journal of Ophthalmology
PG  - 558--559
VI  - 5
IP  - 12
4099  - http://bjo.bmj.com/content/5/12/558.short
4100  - http://bjo.bmj.com/content/5/12/558.full
SO  - Br J Ophthalmol1921 Dec 01; 5