PT - JOURNAL ARTICLE AU - P E Romano TI - Precision versus confusion. AID - 10.1136/bjo.73.10.852-a DP - 1989 Oct 01 TA - British Journal of Ophthalmology PG - 852--853 VI - 73 IP - 10 4099 - http://bjo.bmj.com/content/73/10/852.2.short 4100 - http://bjo.bmj.com/content/73/10/852.2.full SO - Br J Ophthalmol1989 Oct 01; 73