title: [Trinidad and Tobago. 20th anniversary of the WHO].
authors.affiliation: jnoguera72b@terra.es
authors.forename: J J
authors.initials: JJ
authors.lastname: Noguera-Palau
mesh_terms: D000846:Anniversaries and Special Events; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D008512:Medicine in the Arts; D009885:Ophthalmology; D010678:Philately; D014300:Trinidad and Tobago; D014792:Visual Acuity; D014944:World Health Organization / Q000266:history*