PT - JOURNAL ARTICLE AU - B Jay TI - New light on visual pigment genes. AID - 10.1136/bjo.74.4.238 DP - 1990 Apr 01 TA - British Journal of Ophthalmology PG - 238 VI - 74 IP - 4 4099 - http://bjo.bmj.com/content/74/4/238.short 4100 - http://bjo.bmj.com/content/74/4/238.full SO - Br J Ophthalmol1990 Apr 01; 74