Aging among the Highland Maya: a comparative study.
D000328:Adult; D000367:Age Factors; D000368:Aged; D000375:Aging; D003071:Cognition; D003469:Culture; D004325:Dreams; D006801:Humans; D007198:Indians, North American; D007406:Interview, Psychological; D008297:Male; D008800:Mexico; D008875:Middle Aged; D010553:Personality Development; D011386:Projective Techniques; D011606:Psychosexual Development