RT Journal Article SR Electronic T1 INVESTIGATION OF THE SOURCES OF TRACHOMA IN THE WHITE SCHOOL POPULATION OF WESTERN AUSTRALIA JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 321 OP 323 DO 10.1136/bjo.44.6.321 VO 44 IS 6 A1 Mann, Ida YR 1960 UL http://bjo.bmj.com/content/44/6/321.abstract AB