Development of training aids for the simplified W.H.O. trachoma grading system. A preliminary note

B Thylefors1

  • 1Programme for the Prevention of Blindness, World Health Organization, Geneva, Switzerland.

Revue Internationale Du Trachome Et De Pathologie Oculaire Tropicale Et Subtropicale Et De Sante Publique : Organe De La Ligue Contre Le Trachome Avec La Collaboration De L'International Organization Against Trachoma Et Des Organisation
|January 1, 1990
PubMed

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