[World's Day of Health, April 7-1969. "Health, work and production"].
D000056:Accident Prevention; D000222:Adaptation, Physiological; D004782:Environmental Health; D009787:Occupational Medicine; D011315:Preventive Medicine; D011634:Public Health; D014937:Work; D014944:World Health Organization
Dia mundial de la salud, 7 Abril de 1969. "Salud, trabajo y productividad.