RT Journal Article SR Electronic T1 Severe endemic trachoma in Tunisia. I. Effect of topical chemotherapy on conjunctivitis and ocular bacteria. JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 833 OP 842 DO 10.1136/bjo.58.10.833 VO 58 IS 10 A1 D W Vastine A1 C R Dawson A1 T Daghfous A1 M Messadi A1 I Hoshiwara A1 C Yoneda A1 R Nataf YR 1974 UL http://bjo.bmj.com/content/58/10/833.abstract AB