title: Crises points and problems of identity.
mesh_terms: D000328:Adult; D002648:Child; D002675:Child, Preschool; D003220:Conflict, Psychological; D006801:Humans; D007063:Identity Crisis; D007223:Infant; D008019:Life Style; D010553:Personality Development; D011611:Psychosomatic Medicine; D012934:Social Isolation