Widow-to-widow. The elderly widow and mutual help.
D000368:Aged; D001601:Bereavement; D006801:Humans; D007585:Jews; D008297:Male; D010865:Pilot Projects; D012657:Self-Help Groups; D012847:Single Person / Q000523:psychology*; D012931:Social Environment; D012944:Social Support; D014930:Women / Q000523:psychology*