[Social organization of work and occupation for aged persons. Prolongation of middle age and the possibilities of activity during the "3d age". Revision of the concept of the legal age for retirement].
D006801:Humans; D008875:Middle Aged; D009790:Occupations; D009938:Organizations; D012179:Retirement; D014937:Work
MIDDLE-AGE; OCCUPATIONS AND PROFESSIONS; RETIREMENT