title: The complex nature of ageism: what is it? Who does it? Who perceives it?
authors.affiliation: Community Services Systems, Inc., Wynnewood, PA 19096, USA. elimarco@snip.net
authors.forename: E S
authors.initials: ES
authors.lastname: Cohen
mesh_terms: D000368:Aged; D000375:Aging / Q000502:physiology; D001290:Attitude; D006801:Humans; D016901:Intergenerational Relations; D011287:Prejudice; D012059:Rejection, Psychology; D012938:Social Perception