title: XXIII International Ophthalmology Congress May 16, 1978. Joint meeting of the "International Organization against Trachoma" and the "League against Trachoma".
mesh_terms: D003226:Congresses as Topic; D006801:Humans; D007564:Japan; D009885:Ophthalmology; D011634:Public Health; D012955:Societies, Medical; D014141:Trachoma / Q000517:prevention & control*