[The "Bulletin of the Pan American Health Organization" at 60 years of age].
D049673:History, 20th Century; D010175:Pan American Health Organization / Q000266:history*; D010506:Periodicals as Topic / Q000266:history*; D011634:Public Health / Q000266:history*
El Boletín de la Oficina sanitaria panamericana: a los sesenta años.