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- [2] THE GRADING SYSTEM HISPANIA-A JOURNAL DEVOTED TO THE TEACHING OF SPANISH AND PORTUGUESE, 1985, 68 (02): : 438 - 441
- [3] Operational evaluation of the use of photographs for grading active trachoma AMERICAN JOURNAL OF TROPICAL MEDICINE AND HYGIENE, 2006, 74 (03): : 505 - 508