“Community-Level Social Capital and Psychological Distress among the Elderly in Japan: A Population-Based Study,” by Tomoko Kobayashi, Etsuji Suzuki, Masayuki Noguchi, Ichiro Kawachi, and Soshi Takao (PLoS ONE 10(11): e0142629. doi:10.1371/journal.pone.0142629, XML, HTML, and .pdf format, 11p.).
journals.plos.org/plosone/article?id=10.1371/journal.pone.0142629