RT Journal Article SR Electronic T1 Conjunctival epithelial cells infected with Chlamydia trachomatis express HLA-DR antigens. JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 399 OP 400 DO 10.1136/bjo.73.5.399 VO 73 IS 5 A1 el-Asrar, A M A1 Emarah, M H A1 Van den Oord, J J A1 Geboes, K A1 Desmet, V A1 Missotten, L YR 1989 UL http://bjo.bmj.com/content/73/5/399.abstract AB