title: OBSERVATIONS ON THE EXTENT OF CONCERN AND PLANNING BY THE AGED FOR POSSIBLE CHRONIC ILLNESS.
mesh_terms: D001007:Anxiety; D001008:Anxiety Disorders; D001699:Biometry; D002908:Chronic Disease; D005853:Geriatrics; D006801:Humans; D011584:Psychology; D012924:Social Conditions; D013223:Statistics as Topic
keywords: ANXIETY; CHRONIC DISEASE; GERIATRICS; PSYCHOLOGY; SOCIAL CONDITIONS; STATISTICS