title: Heraclitus was right about the river.
authors.forename: G L
authors.initials: GL
authors.lastname: Spaeth
mesh_terms: D002681:China; D005128:Eye Diseases / Q000601:surgery; D006801:Humans; D007393:International Educational Exchange / Q000191:economics; D009885:Ophthalmology / Q000191:economics; D014481:United States